ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/06/2025
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Official data from USPTO
DELCHEM
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Active USPTO registrationType: CombinedOffice: 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
22
Latest update
08/07/2025
Trademark type
Combined
Nice classes
17
Filing date
04/10/1981
Registration date
02/02/1982
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/11/2022
Last transaction
08/07/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
02/09/1981
First use in commerce
02/09/1981
Drawing code
3
Owner type
03
Owner location
CHICAGO, IL
Law office
550
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
IGK NORTH AMERICA, INC.
DELCHEM, INC.
DELCHEM, INC.
Representatives
John W. McGlynn RatnerPrestia
Technical classification
Nice Classes
Class 17
Vienna Codes
No Vienna codes available.
Goods and services
Class 17
Insulating Glass Sealants
Publications
History of USPTO decisions and trademark events.
22 publications found
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/11/2022
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
07/11/2022
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/11/2022
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/11/2022
E89R
TEAS SECTION 8 & 9 RECEIVED
02/02/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
02/02/2021
CORV
REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS NOT UPDATED
09/16/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/16/2015
PAPER RECEIVED
08/31/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
12/29/2011
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/29/2011
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/29/2011
E89R
TEAS SECTION 8 & 9 RECEIVED
11/23/2011
CFIT
CASE FILE IN TICRS
03/24/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/19/2001
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/19/2001
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/02/2001
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
11/14/1987
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
04/20/1987
R.PR
REGISTERED-PRINCIPAL REGISTER
02/02/1982
PUBO
PUBLISHED FOR OPPOSITION
11/10/1981
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