TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/13/2026
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Official data from USPTO
ECOSORB
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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
49
Latest update
04/17/2026
Trademark type
Word
Nice classes
1
Filing date
05/14/1990
Registration date
09/01/1992
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/07/2023
Last transaction
04/17/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
01/26/1982
First use in commerce
01/26/1982
Drawing code
1
Owner type
16
Owner location
Woodbury, MN, US
Examiner
MICHOS, JOHN E
Law office
G30
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
EcoWater Systems LLC
ECOWATER SYSTEMS, INC
GRAVER TECHNOLOGIES, INC.
Graver Company, The
Representatives
Michael Harris ARNOLD & PORTER KAYE SCHOLER LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
precoat filter materials consisting of powdered activated carbonion exchange resin and fibrous materialfor use in industrial water and waste water treatment
Publications
History of USPTO decisions and trademark events.
49 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/13/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/13/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/13/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/13/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/17/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/17/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/17/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/17/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/17/2025
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
12/16/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/16/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/16/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/16/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/07/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/07/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/07/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/07/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
08/18/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/01/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/15/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/15/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/15/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/15/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/15/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/27/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/08/2016
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/08/2016
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/31/2012
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/31/2012
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/31/2012
E89R
TEAS SECTION 8 & 9 RECEIVED
08/29/2012
CCON
COUNTERCLAIM OPP. NO. 999999
05/07/2012
CFIT
CASE FILE IN TICRS
02/26/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
03/26/2002
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/26/2002
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
01/30/2002
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
02/18/1999
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
09/01/1998
R.PR
REGISTERED-PRINCIPAL REGISTER
09/01/1992
PUBO
PUBLISHED FOR OPPOSITION
06/09/1992
NPUB
NOTICE OF PUBLICATION
05/11/1992
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/06/1992
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/30/1991
CNSL
LETTER OF SUSPENSION MAILED
08/15/1991
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
04/22/1991
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/25/1990
CNRT
NON-FINAL ACTION MAILED
10/18/1990
DOCK
ASSIGNED TO EXAMINER
09/24/1990
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