ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/22/2026
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Official data from USPTO
ISO-GON
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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
04/23/2026
Trademark type
Word
Nice classes
3
Filing date
04/30/1982
Registration date
08/09/1983
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/07/2023
Last transaction
04/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
01/13/1978
First use in commerce
01/13/1978
Drawing code
1
Owner type
16
Owner location
CALEDONIA, MI, US
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
RUHOF, LLC
RUHOF CORPORATION, THE
Ruhof Chemical Co., Inc., The
Representatives
Kristen S. Ruisi VENABLE LLP
Technical classification
Nice Classes
Class 3
Vienna Codes
No Vienna codes available.
Goods and services
Class 3
a Liquid Cleaning Solution for CleaningDescaling and Decontaminating Laboratory Glassware and Hardware of Radioactive ParticlesDecontaminating Reactor Components of Radioactive Particles and Degreasing and Cleaning Metals
Publications
History of USPTO decisions and trademark events.
35 publications found
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/03/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/03/2023
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
05/03/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/03/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/03/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/03/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/07/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/07/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/07/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/07/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
08/17/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
08/09/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/29/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/29/2019
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - MAILED
08/06/2013
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/06/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/06/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/06/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
07/23/2013
CFIT
CASE FILE IN TICRS
04/30/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/22/2002
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/22/2002
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
09/19/2002
PAPER RECEIVED
09/19/2002
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
07/19/1989
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
05/01/1989
R.PR
REGISTERED-PRINCIPAL REGISTER
08/09/1983
PUBO
PUBLISHED FOR OPPOSITION
05/17/1983
NPUB
NOTICE OF PUBLICATION
05/05/1983
NPUB
NOTICE OF PUBLICATION
05/03/1983
NPUB
NOTICE OF PUBLICATION
05/02/1983
NPUB
NOTICE OF PUBLICATION
04/29/1983
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/22/1983
DOCK
ASSIGNED TO EXAMINER
03/08/1983
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