NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
05/09/2025
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Official data from USPTO
CONTRAFLO
Did you know this trademark is already registered in United States?
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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
26
Latest update
06/03/2025
Trademark type
Word
Nice classes
7, 23
Filing date
11/13/1951
Registration date
12/07/1954
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/09/2025
Last transaction
06/03/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
03/01/1951
First use in commerce
03/01/1951
Drawing code
1
Owner type
16
Owner location
SALT LAKE CITY, UT
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
WESTECH ENGINEERING, LLC
WESTECH ENGINEERING, INC.
SIEMENS WATER TECHNOLOGIES CORP.
U.S. FILTER WASTEWATER GROUP, INC.
GENERAL FILTER COMPANY
Representatives
Robert S. Rapp AUSTIN RAPP
Technical classification
Nice Classes
Class 7Class 23
Vienna Codes
No Vienna codes available.
Goods and services
Class 7
No specification.
Class 23
SLUDGE CLARIFIER COMPRISED OF A TANK CONTAINING A MOTOR-DRIVEN AGITATORBAFFLES AND PIPING INTO WHICH A LIQUID CONTAINING SLUDGE IS PASSED AND THE SLUDGE SEPARATED BY SEDIMENTATION FROM THE CLARIFIED EFFLUENT
Publications
History of USPTO decisions and trademark events.
26 publications found
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
05/09/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/09/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/09/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
12/09/2024
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/07/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/24/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/24/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/24/2022
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/09/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/18/2014
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
12/18/2014
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/18/2014
E89R
TEAS SECTION 8 & 9 RECEIVED
12/08/2014
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/09/2013
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/27/2011
CFIT
CASE FILE IN TICRS
01/23/2009
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/28/2007
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
01/27/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/27/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/06/2004
E89R
TEAS SECTION 8 & 9 RECEIVED
12/06/2004
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/06/2004
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
02/09/1995
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
12/02/1994
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
12/07/1974
Continuous trademark protection
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