NAS8
NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
07/10/2026
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Official data from USPTO
SENTINEL MAINTENANCE
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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
27
Latest update
07/10/2026
Trademark type
Combined
Nice classes
37
Filing date
08/04/2020
Registration date
04/20/2021
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/10/2026
Last transaction
07/10/2026
Responsible office
United States Patent and Trademark Office
Status code
701
Official register
Principal Register
First use anywhere
05/01/1987
First use in commerce
05/01/1987
Drawing code
3
Owner type
16
Owner location
DENVER, CO, US
Examiner
MORENO, PAUL A
Current location
Historical data usage
Mark description
The mark consists of a grid of 9 squares, 3 x 3. The words "Sentinel Maintenance" sit to the right of the logo with "Sentinel" on top and all lowercase letters and "maintenance" underneath in all caps letters.
Holders and representatives
Holders
KLEEN TECH SERVICES, LLC
S. E. (pessoa física)
Representatives
Karl W. Hauber Brennan, Manna, and Diamond, LLC
Technical classification
Nice Classes
Class 37
Vienna Codes
No Vienna codes available.
Goods and services
Class 37
Disinfecting; Carpet cleaning; Cleaning of commercial premises; Cleaning of industrial premises; Power washing services; Window cleaning
Publications
History of USPTO decisions and trademark events.
27 publications found
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
07/10/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/10/2026
ES8R
TEAS SECTION 8 RECEIVED
04/20/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/20/2026
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
04/20/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/20/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
11/20/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
11/20/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
11/20/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
11/20/2024
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
09/29/2021
R.PR
REGISTERED-PRINCIPAL REGISTER
04/20/2021
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
02/02/2021
PUBO
PUBLISHED FOR OPPOSITION
02/02/2021
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
01/13/2021
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/31/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
12/30/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/30/2020
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
12/30/2020
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
12/01/2020
GNRT
NON-FINAL ACTION E-MAILED
12/01/2020
CNRT
NON-FINAL ACTION WRITTEN
12/01/2020
DOCK
ASSIGNED TO EXAMINER
11/25/2020
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
09/03/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
09/02/2020
NWAP
NEW APPLICATION ENTERED
08/07/2020
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