NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
03/10/2026
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Official data from USPTO
KEYSTONE CLEAN AIR SOLUTIONS
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
61
Latest update
03/11/2026
Trademark type
Combined
Nice classes
6, 11
Filing date
12/31/2021
Registration date
03/10/2026
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/10/2026
Last transaction
03/11/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use, Foreign priority
Drawing code
3
Owner type
99
Owner location
Winnipeg MB, CA
Examiner
RICKS, AUDREY NICOLE
Law office
O20
Current location
FILE REPOSITORY (FRANCONIA)
Mark description
The mark consists of the word "KEYSTONE" in dark blue above the words "CLEAN AIR SOLUTIONS" in light blue within a fanciful rectangular border with an arch on top in dark blue and a quadrilateral design in light blue within the arch.
Holders and representatives
Holders
Price Industries Limited
Representatives
Scott D. Woldow SMITH, GAMBRELL & RUSSELL, LLP
Technical classification
Nice Classes
Class 6Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 6
metal vent covers for HVAC ducts for use in laboratories; metal vent covers for cleanrooms use in the manufacture of electronicssemiconductorspharmaceutical products and medical products
Class 11
Heat registers for use in laboratories; Heat registers for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; Heat registers for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; Ventilation fans for use in laboratories; Ventilation fans for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; Ventilation hoods for use in laboratories; Ventilation goodsventilation hoodsventilation exhaust fansair impellers for ventilationventilation louversventilating fansall for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; Ventilation goods for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical productsventilation fans and hoods; locally induced air-conditioners for industrial purposes for use in laboratories; locally induced air-conditioners for industrial purposes for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air filters for air conditioning units for use in laboratories; air filters for air conditioning units for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air filters for air conditioning units for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; axial-flow fans for air-conditioning for use in laboratories; axial-flow fans for air-conditioning for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; axial-flow fans for air-conditioning for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; air filtering units for removing dustsmoke and allergens from the air for use in laboratories; air filtering units for removing dustsmoke and allergens from the air for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air filtering units for removing dustsmoke and allergens from the air for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; filters for air extractor hoods for use in laboratories; air filters for air extractor hoods for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air filters for air extractor hoods for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; high efficiency particulate air (HEPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; high efficiency particulate air (HEPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; high efficiency particulate air (HEPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; minimum efficiency reporting value (MERV) air filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; minimum efficiency reporting value (MERV) air filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; minimum efficiency reporting value (MERV) air filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; ultra low particulate air (ULPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in laboratoriesultra low particulate air (ULPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; ultra low particulate air (ULPA) filters for heatingventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; ceiling-recessed and ceiling-suspended heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in laboratories; ceiling-recessed and ceiling-suspended heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; ceiling-recessed and ceiling-suspended heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; integrated heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as work benches and work tables specially adapted for housing these items sold as a unit for use in laboratories; integrated heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as work benches and work tables specially adapted for housing these items sold as a unit for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; integrated heatingventilation and air conditioning (HVAC) systems comprised of ceiling lightsspotlightsdownlightslight fixturesceiling fanselectric fansventilating fansair conditioning fansair diffusersas well as work benches and work tables specially adapted for housing these items sold as a unit for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; laminar air flow diffuser (LFD) being parts of clean room and ventilating installations for use in laboratories; laminar air flow diffuser (LFD) being parts of clean room installations for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; laminar air flow diffuser (LFD) being parts of clean room installations and ventilation installations for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; air flow diffusers being parts of ventilation systems for use in laboratories; air flow diffusers being parts of clean room installations used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air flow diffusers being parts of clean room installations and ventilation installations for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; specially adapted structural parts for air flow diffusers being parts of clean room installations and ventilation installations for use in laboratories; specially adapted structural parts for air flow diffusers being parts of clean room installations for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; specially adapted structural parts for air flow diffusers being parts of clean room installations and ventilation installations for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; air flow diffuser arrays being parts of clean room installations and ventilation installations for use in laboratories; air flow diffuser arrays being parts of clean room installations for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air flow diffuser arrays for use in healthcare facilitiesin air flow diffuser arrays being parts of clean room installations and ventilation systems for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; laminar air diffuser (LFD) arrays being parts of clean room installations and ventilation installations for heatersventilatorsair conditioners for use in laboratories; laminar air diffuser (LFD) arrays being parts of clean room installations for heatersventilatorsair conditioners for use in laboratories for heatersventilatorsair conditioners for use in cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; laminar air diffuser (LFD) arrays being parts of clean room installations and ventilation installations for heatersventilatorsair conditioners for use in healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms; air extractor fans and hoods for heating ventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; air extractor fans and hoods for heatingventilation and air conditioning installations and specially adapted parts therefor for use cleanrooms used in the manufacture of electronicssemiconductorspharmaceutical products and medical products; air extractor fans and hoods for heatingventilation and air conditioning installations and specially adapted parts therefor for use healthcare facilitiesin operating roomspatient rooms and hospital isolation rooms
Publications
History of USPTO decisions and trademark events.
61 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
03/10/2026
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
01/20/2026
PUBO
PUBLISHED FOR OPPOSITION
01/20/2026
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
01/14/2026
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/18/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/06/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/06/2025
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
11/06/2025
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
08/07/2025
GNRT
NON-FINAL ACTION E-MAILED
08/07/2025
CNRT
NON-FINAL ACTION WRITTEN
08/07/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
07/03/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/03/2025
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
07/03/2025
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
05/19/2025
GNSL
LETTER OF SUSPENSION E-MAILED
05/19/2025
CNSL
SUSPENSION LETTER WRITTEN
05/19/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
04/28/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
04/28/2025
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
04/28/2025
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
02/20/2025
GNSI
INQUIRY TO SUSPENSION E-MAILED
02/20/2025
CNSI
SUSPENSION INQUIRY WRITTEN
02/20/2025
RCCK
SUSPENSION CHECKED - TO ATTORNEY FOR ACTION
02/12/2025
DOCK
ASSIGNED TO EXAMINER
02/10/2025
RCCK
SUSPENSION CHECKED - TO ATTORNEY FOR ACTION
02/07/2025
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
07/03/2024
GNSL
LETTER OF SUSPENSION E-MAILED
07/03/2024
CNSL
SUSPENSION LETTER WRITTEN
07/03/2024
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
06/17/2024
NREV
NOTICE OF REVIVAL - E-MAILED
06/17/2024
PETG
PETITION TO REVIVE-GRANTED
06/17/2024
PROA
TEAS PETITION TO REVIVE RECEIVED
06/17/2024
MAB2
ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPOND
06/14/2024
ABN2
ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE
06/14/2024
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
02/27/2024
GNSI
INQUIRY TO SUSPENSION E-MAILED
02/27/2024
CNSI
SUSPENSION INQUIRY WRITTEN
02/27/2024
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
08/30/2023
GNSL
LETTER OF SUSPENSION E-MAILED
08/30/2023
CNSL
SUSPENSION LETTER WRITTEN
08/30/2023
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
08/24/2023
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/24/2023
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
08/24/2023
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
06/21/2023
GNSI
INQUIRY TO SUSPENSION E-MAILED
06/21/2023
CNSI
SUSPENSION INQUIRY WRITTEN
06/21/2023
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
12/22/2022
GNSL
LETTER OF SUSPENSION E-MAILED
12/22/2022
CNSL
SUSPENSION LETTER WRITTEN
12/22/2022
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
12/14/2022
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/14/2022
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
12/14/2022
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
06/14/2022
GNRT
NON-FINAL ACTION E-MAILED
06/14/2022
CNRT
NON-FINAL ACTION WRITTEN
06/14/2022
DOCK
ASSIGNED TO EXAMINER
06/09/2022
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
01/19/2022
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
01/18/2022
NWAP
NEW APPLICATION ENTERED
01/04/2022
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