TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/16/2025
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Official data from USPTO
UNIT-TANDEM
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
UNIT-TANDEM
ST13
US500000072301392Class
6, 13
Filing
72301392
Registration
861874
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
38
Latest update
09/21/2025
Trademark type
Word
Nice classes
6, 13
Filing date
06/26/1968
Registration date
12/17/1968
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/22/2019
Last transaction
09/21/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1959-03-00
First use in commerce
1959-03-00
Drawing code
1
Owner type
16
Owner location
Houston, TX
Law office
000
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
EMERSON VULCAN HOLDING LLC
PENTAIR FLOW CONTROL AG
PENTAIR VALVES & CONTROLS, INC.
TYCO VALVES & CONTROLS INC.
KEYSTONE INTERNATIONAL HOLDINGS CORP.
Y. C. (pessoa física)
Representatives
Li Zhu Quarles & Brady LLP
Technical classification
Nice Classes
Class 6Class 13
Vienna Codes
No Vienna codes available.
Goods and services
Class 6
No specification.
Class 13
BLOW-OFF VALVES
Publications
History of USPTO decisions and trademark events.
38 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/16/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/16/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/16/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/16/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/03/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/03/2022
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
03/03/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/03/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/03/2022
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/03/2022
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/22/2019
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
07/22/2019
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/22/2019
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/22/2019
E89R
TEAS SECTION 8 & 9 RECEIVED
06/17/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/24/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/24/2018
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/17/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/04/2017
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
09/06/2017
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
09/14/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/07/2016
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/16/2013
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/28/2012
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/28/2012
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
05/16/2009
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/16/2009
PLGL
ASSIGNED TO PARALEGAL
05/12/2009
E89R
TEAS SECTION 8 & 9 RECEIVED
05/08/2009
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/27/2009
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/27/2009
CFIT
CASE FILE IN TICRS
02/13/2009
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/13/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/07/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/23/2005
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
12/17/1988
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
10/31/1988
Continuous trademark protection
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