TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/16/2025
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Official data from USPTO
KEYSTONE
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
KEYSTONE
ST13
US500000073801637Class
6, 7, 9
Filing
73801637
Registration
1572890
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
47
Latest update
09/21/2025
Trademark type
Word
Nice classes
6, 7, 9
Filing date
05/22/1989
Registration date
12/26/1989
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/14/2020
Last transaction
09/21/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
06/30/1988
First use in commerce
06/30/1988
Drawing code
1
Owner type
16
Owner location
Houston, TX
Examiner
DUNN,ELIZABETH A
Law office
580
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.
TYCO FLOW CONTROL, INC.
KEYSTONE INTERNATIONAL HOLDINGS CORP.
Representatives
Li Zhu Quarles & Brady LLP
Technical classification
Nice Classes
Class 6Class 7Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 6
MANUALLY OPERATED BUTTERFLY VALVES
Class 7
HYDRAULICALLY AND/OR PNEUMATICALLY OPERATED BUTTERFLY VALVES
Class 9
ELECTRONICALLY OPERATED AND AUTOMATIC BUTTERFLY VALVES
Publications
History of USPTO decisions and trademark events.
47 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
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
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
01/14/2020
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
01/14/2020
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/14/2020
E89R
TEAS SECTION 8 & 9 RECEIVED
12/10/2019
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/26/2018
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
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
06/26/2013
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
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
08/17/2009
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/17/2009
PLGL
ASSIGNED TO PARALEGAL
08/05/2009
E89R
TEAS SECTION 8 & 9 RECEIVED
08/03/2009
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
12/03/2008
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
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/06/2005
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
07/20/2000
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/20/2000
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/30/1999
COC.
CORRECTION UNDER SECTION 7 - PROCESSED
01/31/1998
AMD7
SEC 7 REQUEST FILED
09/04/1997
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/28/1997
PR23
POST REGISTRATION ACTION MAILED - SEC. 8 & 15
05/03/1996
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
06/19/1995
R.PR
REGISTERED-PRINCIPAL REGISTER
12/26/1989
PUBO
PUBLISHED FOR OPPOSITION
10/03/1989
NPUB
NOTICE OF PUBLICATION
09/05/1989
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/18/1989
DOCK
ASSIGNED TO EXAMINER
07/11/1989
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