NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/09/2026
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Official data from USPTO
CARBORUNDUM
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: US
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
47
Latest update
07/28/2026
Classification
Registered
Trademark type
Word
Nice classes
3, 4
Filing date
04/27/1905
Registration date
02/06/1906
Expiration date
-
Recommended action
Perform a full collision analysis and validate classes before any filing or trademark investment.
Next step
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Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/09/2026
Last transaction
07/28/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1891-09-00
First use in commerce
1891-09-00
Drawing code
1
Owner type
03
Owner location
WORCESTER, MA, US
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
SAINT-GOBAIN ABRASIVES, INC.
K. C. (pessoa física)
CARBORUNDUM COMPANY, THE
Representatives
Sara T. Colburn Cantor Colburn LLP
Technical classification
Nice Classes
Class 3Class 4
Vienna Codes
No Vienna codes available.
Goods and services
Class 3
No specification.
Class 4
CRYSTALLINE SUBSTANCE USED AS AN ABRADANT AND FOR OTHER PURPOSES
Publications
History of USPTO decisions and trademark events.
47 publications found
RNL7
REGISTERED AND RENEWED (SEVENTH RENEWAL - 10 YRS)
07/09/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/09/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/08/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
05/06/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/21/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/21/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/21/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
01/21/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
01/21/2026
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
10/09/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/09/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/09/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/09/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
10/09/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
10/09/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
02/06/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/24/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/24/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/24/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/24/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/24/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/14/2016
RNL6
REGISTERED AND RENEWED (SIXTH RENEWAL - 10 YRS)
04/14/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/14/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/14/2016
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/17/2016
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/17/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
02/08/2016
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
02/06/2015
CFIT
CASE FILE IN TICRS
10/30/2007
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
04/13/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/13/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/22/2006
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
11/07/2006
PLGL
ASSIGNED TO PARALEGAL
10/17/2006
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/09/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
08/07/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
08/07/2006
FAXX
FAX RECEIVED
08/07/2006
RRPR
RESPONSE RECEIVED TO POST REG. ACTION
11/20/1986
PRA9
POST REGISTRATION ACTION MAILED - SEC. 9
06/09/1986
RRPR
RESPONSE RECEIVED TO POST REG. ACTION
05/12/1986
PRA9
POST REGISTRATION ACTION MAILED - SEC. 9
05/01/1986
REN4
REGISTERED AND RENEWED (FOURTH RENEWAL - 20 YRS)
02/06/1986
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
01/31/1986
REN3
REGISTERED AND RENEWED (THIRD RENEWAL - 20 YRS)
02/06/1966
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