ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/25/2025
Back to search
Official data from USPTO
TWIST-PROOF
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: WordOffice: United States
Quick snapshot
TWIST-PROOF
ST13
US500000072254827Class
20, 50
Filing
72254827
Registration
840624
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
31
Latest update
06/26/2025
Trademark type
Word
Nice classes
20, 50
Filing date
09/20/1966
Registration date
12/12/1967
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/27/2017
Last transaction
06/26/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
07/01/1961
First use in commerce
07/01/1961
Drawing code
1
Owner type
03
Owner location
GREENVILLE, PA
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
WERNER CO.
WERNER TECHNOLOGIES, INC.
R. D. WERNER CO., INC.
Representatives
Pooja Van Dyck Werner Co.
Technical classification
Nice Classes
Class 20Class 50
Vienna Codes
No Vienna codes available.
Goods and services
Class 20
No specification.
Class 50
EXTENSION LADDERSSTEPLADDERSSTAGESPLATFORM LADDERS
Publications
History of USPTO decisions and trademark events.
31 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/05/2023
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/21/2023
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
05/24/2023
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/17/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/17/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/17/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/17/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/17/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/27/2017
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
12/27/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/27/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/27/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
11/30/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/02/2017
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/12/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/04/2011
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
09/15/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/15/2010
PAPER RECEIVED
04/21/2010
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
10/28/2009
CFIT
CASE FILE IN TICRS
02/06/2009
PLGL
ASSIGNED TO PARALEGAL
12/12/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/10/2007
E89R
TEAS SECTION 8 & 9 RECEIVED
12/10/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/18/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/11/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/27/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/13/2007
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
12/12/1987
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
07/02/1987
Continuous trademark protection
Get notified about every new filing that threatens TWIST-PROOF or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.