NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
02/20/2026
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Official data from USPTO
PYROFLEX
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: 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
35
Latest update
03/17/2026
Trademark type
Word
Nice classes
2, 12
Filing date
03/21/1955
Registration date
12/06/1955
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
02/20/2026
Last transaction
03/17/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1935-00-00
First use in commerce
1935-00-00
Drawing code
1
Owner type
16
Owner location
EAST CANTON, OH, US
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
KNIGHT MATERIAL TECHNOLOGIES LLC
KOCH KNIGHT, LLC
KOCH ENGINEERING COMPANY, INC.
KNIGHT, MAURICE A.
Representatives
Ross M. Kowalski Tucker Ellis LLP
Technical classification
Nice Classes
Class 2Class 12
Vienna Codes
No Vienna codes available.
Goods and services
Class 2
No specification.
Class 12
THERMOPLASTIC CORROSION RESISTING RESINS IN SHEET OR LACQUER FORM FOR LINING VESSELSTANKSOTHER STRUCTURES USED IN CHEMICAL INDUSTRIES
Publications
History of USPTO decisions and trademark events.
35 publications found
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
02/20/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/20/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
02/20/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
11/20/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/06/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/30/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/30/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/30/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/30/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/30/2023
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/20/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/11/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/11/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/11/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/11/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/11/2019
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
02/22/2016
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
02/22/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/22/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
02/22/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
12/09/2015
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/09/2015
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/02/2015
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/02/2015
CFIT
CASE FILE IN TICRS
01/23/2009
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/09/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/09/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
02/02/2005
E89R
TEAS SECTION 8 & 9 RECEIVED
02/02/2005
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/17/2002
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
09/27/1995
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
08/29/1995
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/25/1984
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
12/06/1975
Continuous trademark protection
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