ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/22/2026
Back to search
Official data from USPTO
PREMIXSLIP
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
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
4
Filing date
05/13/1983
Registration date
07/10/1984
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/25/2024
Last transaction
04/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
02/08/1983
First use in commerce
02/08/1983
Drawing code
1
Owner type
16
Owner location
CALEDONIA, MI, US
Law office
570
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
RUHOF, LLC
RUHOF CORPORATION, THE
Hoffman; Marvin
Ruhof Chemical Co., Inc., The
Ruvinsky; Lee
Representatives
Kristen S. Ruisi VENABLE LLP
Technical classification
Nice Classes
Class 4
Vienna Codes
No Vienna codes available.
Goods and services
Class 4
a Non-Concentrated Lubricant for Surgical Steel Instruments Used in Hospital Operating Rooms
Publications
History of USPTO decisions and trademark events.
35 publications found
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
05/25/2024
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
05/25/2024
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/25/2024
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/25/2024
E89R
TEAS SECTION 8 & 9 RECEIVED
02/14/2024
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/10/2023
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
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
12/13/2013
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
12/13/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/13/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/13/2013
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/02/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
12/02/2013
CFIT
CASE FILE IN TICRS
05/09/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/30/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/30/2003
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/20/2003
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
06/14/1990
RRPR
RESPONSE RECEIVED TO POST REG. ACTION
05/29/1990
PR23
POST REGISTRATION ACTION MAILED - SEC. 8 & 15
12/06/1989
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
09/18/1989
R.PR
REGISTERED-PRINCIPAL REGISTER
07/10/1984
PUBO
PUBLISHED FOR OPPOSITION
04/17/1984
NPUB
NOTICE OF PUBLICATION
03/05/1984
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
01/05/1984
CNEA
EXAMINER'S AMENDMENT MAILED
01/03/1984
DOCK
ASSIGNED TO EXAMINER
12/19/1983
Continuous trademark protection
Get notified about every new filing that threatens PREMIXSLIP or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.