ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/15/2026
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Official data from USPTO
KNIFE EDGE SEAL
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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
43
Latest update
04/16/2026
Trademark type
Combined
Nice classes
7
Filing date
06/19/1990
Registration date
11/30/1993
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/07/2024
Last transaction
04/16/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
02/18/1992
First use in commerce
02/18/1992
Drawing code
5
Owner type
03
Owner location
OSAKA-SHI, OSAKA, JP
Examiner
JEFFRIES, STEPHEN
Law office
G10
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
P. C. (pessoa física)
N. K. (pessoa física)
N. K. (pessoa física)
Representatives
John R. Schaefer Bacon & Thomas, PLLC
Technical classification
Nice Classes
Class 7
Vienna Codes
No Vienna codes available.
Goods and services
Class 7
metallic mechanical seal
Publications
History of USPTO decisions and trademark events.
43 publications found
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/07/2024
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/07/2024
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/07/2024
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/07/2024
E89R
TEAS SECTION 8 & 9 RECEIVED
09/23/2023
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
11/30/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/28/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/28/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/28/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/25/2017
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/25/2017
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/01/2013
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/01/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/01/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/01/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
07/17/2013
CFIT
CASE FILE IN TICRS
09/12/2007
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/11/2004
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
01/02/2004
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/02/2004
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/21/2003
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/14/2000
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
09/28/1999
R.PR
REGISTERED-PRINCIPAL REGISTER
11/30/1993
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
09/09/1993
DOCK
ASSIGNED TO EXAMINER
09/03/1993
SUPC
STATEMENT OF USE PROCESSING COMPLETE
09/01/1993
IUAF
USE AMENDMENT FILED
07/30/1993
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
05/25/1993
PUBO
PUBLISHED FOR OPPOSITION
03/02/1993
NPUB
NOTICE OF PUBLICATION
01/29/1993
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/17/1992
CNEA
EXAMINER'S AMENDMENT MAILED
12/14/1992
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/09/1992
CNRT
NON-FINAL ACTION MAILED
05/08/1992
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/24/1992
CNRT
NON-FINAL ACTION MAILED
08/23/1991
ZZZZ
ALLOWANCE/COUNT WITHDRAWN
07/22/1991
CNEA
EXAMINER'S AMENDMENT MAILED
07/15/1991
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/13/1991
CNRT
NON-FINAL ACTION MAILED
11/13/1990
DOCK
ASSIGNED TO EXAMINER
10/25/1990
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