TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/29/2026
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Official data from USPTO
DURA-TROL
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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
24
Latest update
05/31/2026
Trademark type
Combined
Nice classes
9, 26
Filing date
03/16/1956
Registration date
12/11/1956
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/17/2016
Last transaction
05/31/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
03/08/1956
First use in commerce
03/08/1956
Drawing code
5
Owner type
16
Owner location
CRANSTON, RI, US
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
LEONARD VALVE COMPANY LLC
LEONARD VALVE COMPANY
Representatives
Louise Arnott Michael Best & Friedrich LLP
Technical classification
Nice Classes
Class 9Class 26
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
No specification.
Class 26
THERMOSTATIC WATER MIXING VALVES
Publications
History of USPTO decisions and trademark events.
24 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/29/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/29/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/29/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/29/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/11/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/17/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/17/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/17/2023
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/12/2020
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/17/2016
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
08/17/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/17/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/17/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
05/25/2016
CFIT
CASE FILE IN TICRS
11/21/2007
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
05/15/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/15/2006
PLGL
ASSIGNED TO PARALEGAL
05/03/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
01/17/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
01/17/2006
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
12/01/1996
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
09/12/1996
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
12/11/1976
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