ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/15/2026
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Official data from USPTO
PROTEK-SORB
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
PROTEK-SORB
ST13
US500000071451965Class
1, 6
Filing
71451965
Registration
397230
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
30
Latest update
04/16/2026
Trademark type
Word
Nice classes
1, 6
Filing date
03/28/1942
Registration date
08/25/1942
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/10/2023
Last transaction
04/16/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
08/02/1939
First use in commerce
08/02/1939
Drawing code
1
Owner type
03
Owner location
COLUMBIA, MD, US
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
W.R. GRACE & CO.-CONN.
W. R. Grace & Co.
Davison Chemical Corporation, The
Representatives
Katherine P. Califa Foley & Lardner LLP
Technical classification
Nice Classes
Class 1Class 6
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
No specification.
Class 6
Contacting Agent for Treatment of GasesLiquidsSolidsEmployed Particularly as a Desiccant or Dehumidifier and in Containers or Enclosures Including Packages or for Drying and Maintaining DryCable Splices and Other Solid Objects
Publications
History of USPTO decisions and trademark events.
30 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/13/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/10/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/10/2023
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
08/10/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/10/2023
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
08/01/2023
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
05/10/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/05/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
10/24/2022
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
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/29/2021
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
08/25/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
09/12/2012
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
09/12/2012
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/12/2012
E89R
TEAS SECTION 8 & 9 RECEIVED
08/27/2012
CFIT
CASE FILE IN TICRS
10/03/2008
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
08/19/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/19/2003
PR89
RESPONSE RECEIVED TO POST REG. ACTION - SEC. 8 & 9
03/14/2003
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
12/02/2002
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
08/30/2002
PAPER RECEIVED
08/30/2002
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/25/1984
REN2
REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS)
08/25/1982
Continuous trademark protection
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