TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/09/2025
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Official data from USPTO
E SIGMA INSTRUMENTS
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
22
Latest update
09/14/2025
Trademark type
Combined
Nice classes
9, 10
Filing date
05/03/2023
Registration date
05/28/2024
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/28/2024
Last transaction
09/14/2025
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
09/30/1999
First use in commerce
09/30/1999
Drawing code
3
Owner type
16
Owner location
Cranberry TWP, PA
Examiner
DEFORD, JEFFREY
Law office
M60
Current location
FILE REPOSITORY (FRANCONIA)
Mark description
The mark consists of a large Greek letter "SIGMA" in stylized form with a series of circles gradually increasing in size going down and through the letter, the word "SIGMA" appears in large thin capital letters to the right of the center of the letter "SIGMA" with the word "INSTRUMENT" appearing centered below the word "SIGMA" in smaller thin capital letters.
Holders and representatives
Holders
Sigma Instruments Holdings, LLC
Representatives
C. Christopher Clark THE LAW OFFICE OF CHRIS CLARK, PLLC
Technical classification
Nice Classes
Class 9Class 10
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Downloadable computer application software for handlehld computerssoftware for diagnosis and treatment in the field of chiropractic medicine
Class 10
Chiropractic instruments; Chiropractic instruments for analyticsevaluation and treatment
Publications
History of USPTO decisions and trademark events.
22 publications found
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/09/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/09/2025
WOAG
WITHDRAWAL OF ATTORNEY GRANTED
09/09/2025
WOAR
TEAS WITHDRAWAL OF ATTORNEY RECEIVED
09/09/2025
NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
05/28/2024
R.PR
REGISTERED-PRINCIPAL REGISTER
05/28/2024
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
03/12/2024
PUBO
PUBLISHED FOR OPPOSITION
03/12/2024
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
02/21/2024
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
02/21/2024
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/07/2024
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
02/06/2024
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/06/2024
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
02/06/2024
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
02/01/2024
GNRT
NON-FINAL ACTION E-MAILED
02/01/2024
CNRT
NON-FINAL ACTION WRITTEN
02/01/2024
DOCK
ASSIGNED TO EXAMINER
01/29/2024
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
06/02/2023
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
06/01/2023
NWAP
NEW APPLICATION ENTERED
05/06/2023
Continuous trademark protection
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