ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/15/2026
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Official data from USPTO
SYLOBLOC
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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
32
Latest update
04/16/2026
Trademark type
Word
Nice classes
1
Filing date
11/01/1989
Registration date
07/31/1990
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
11/18/2021
Last transaction
04/16/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1988-11-00
First use in commerce
1988-11-00
Drawing code
1
Owner type
03
Owner location
COLUMBIA, MD, US
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
W. R. GRACE & CO.-CONN
W. R. GRACE & CO.-CONN
Representatives
Katherine P. Califa Foley & Lardner LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
MICRONIZED SILICA SOLD FOR A WIDE VARIETY OF USES
Publications
History of USPTO decisions and trademark events.
32 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/13/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/10/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/22/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/22/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/22/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/22/2022
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/22/2022
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
11/18/2021
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
11/18/2021
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/18/2021
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/29/2021
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
05/10/2021
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/10/2021
E89R
TEAS SECTION 8 & 9 RECEIVED
01/29/2021
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/31/2019
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/13/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/13/2010
E89R
TEAS SECTION 8 & 9 RECEIVED
07/27/2010
CFIT
CASE FILE IN TICRS
12/30/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
01/23/2001
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/23/2001
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
06/22/2000
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
06/24/1996
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
12/26/1995
R.PR
REGISTERED-PRINCIPAL REGISTER
07/31/1990
PUBO
PUBLISHED FOR OPPOSITION
05/08/1990
NPUB
NOTICE OF PUBLICATION
04/07/1990
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/21/1990
CNEA
EXAMINER'S AMENDMENT MAILED
02/15/1990
CNRT
NON-FINAL ACTION MAILED
01/09/1990
DOCK
ASSIGNED TO EXAMINER
12/22/1989
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