REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
01/26/2026
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Official data from USPTO
CK KELVIN
Did you know this trademark is already registered in United States?
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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
49
Latest update
01/27/2026
Trademark type
Combined
Nice classes
11, 42
Filing date
06/13/2017
Registration date
01/26/2021
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/26/2021
Last transaction
01/27/2026
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
03
Owner location
TORONTO, CA
Examiner
SALES, HEATHER ALISON
Law office
O30
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the stylized letters "CK" where the "C" is in the form of a geometric shape and half circle and the "K" is encompassed within the "C". To the right is the stylized word "KELVIN".
Holders and representatives
Holders
Kelvin Thermal Energy Inc.
Representatives
Karen C. Kline DUANE MORRIS LLP
Technical classification
Nice Classes
Class 11Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 11
Energy storage and conversion equipmentheat accumulators for temporary storage of energythermal based power generatorsintegrated thermal storage and power generation systems for the delivery of high temperature fluid and steam
Class 42
Technological consultation and engineering design services for thermal energy storage and conversion systems; renewable energy technological consulting and engineering design services for power generation facilitating renewable energy storage facilities; and renewable energy technological consulting and engineering design services for oil and gas production facilities; Electronic monitoring services for thermal energy storage and conversation systems using computers or sensors
Publications
History of USPTO decisions and trademark events.
49 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
01/26/2021
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
11/10/2020
PUBO
PUBLISHED FOR OPPOSITION
11/10/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
10/21/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/01/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
09/22/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
09/22/2020
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
09/21/2020
GNSI
INQUIRY TO SUSPENSION E-MAILED
09/21/2020
CNSI
SUSPENSION INQUIRY WRITTEN
09/21/2020
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
09/14/2020
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
03/19/2020
GNSL
LETTER OF SUSPENSION E-MAILED
03/19/2020
CNSL
SUSPENSION LETTER WRITTEN
03/19/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/19/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/19/2020
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
03/17/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/17/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/17/2020
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
03/17/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/17/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/17/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/17/2020
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
09/30/2019
GNSI
INQUIRY TO SUSPENSION E-MAILED
09/30/2019
CNSI
SUSPENSION INQUIRY WRITTEN
09/30/2019
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
03/28/2019
GNSL
LETTER OF SUSPENSION E-MAILED
03/28/2019
CNSL
SUSPENSION LETTER WRITTEN
03/28/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/28/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/28/2019
ALIE
ASSIGNED TO LIE
03/28/2019
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
03/21/2019
GNS2
NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
09/21/2018
GNSI
INQUIRY TO SUSPENSION E-MAILED
09/21/2018
CNSI
SUSPENSION INQUIRY WRITTEN
09/21/2018
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
03/21/2018
GNSL
LETTER OF SUSPENSION E-MAILED
03/21/2018
CNSL
SUSPENSION LETTER WRITTEN
03/21/2018
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/19/2018
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/19/2018
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
03/19/2018
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
09/19/2017
GNRT
NON-FINAL ACTION E-MAILED
09/19/2017
CNRT
NON-FINAL ACTION WRITTEN
09/19/2017
DOCK
ASSIGNED TO EXAMINER
09/13/2017
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
06/21/2017
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
06/20/2017
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