NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/02/2026
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Official data from USPTO
QC-21 WELL CLEANER
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
QC-21 WELL CLEANER
ST13
US500000075011275Class
3
Filing
75011275
Registration
2045091
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
34
Latest update
06/23/2026
Trademark type
Word
Nice classes
3
Filing date
10/27/1995
Registration date
03/11/1997
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/02/2026
Last transaction
06/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
10/06/1995
First use in commerce
10/06/1995
Drawing code
1
Owner type
03
Owner location
The Woodlands, TX, US
Examiner
MILTON, PRISCILLA
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
LAYNE CHRISTENSEN COMPANY
Layne, Inc.
Representatives
Kris Kappel Husch Blackwell LLP
Technical classification
Nice Classes
Class 3
Vienna Codes
No Vienna codes available.
Goods and services
Class 3
well cleaning solution
Publications
History of USPTO decisions and trademark events.
34 publications found
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
06/02/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/02/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/01/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
03/30/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
03/11/2026
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
11/09/2016
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
11/09/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/09/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/31/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
08/17/2016
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
03/11/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/18/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/25/2015
CFIT
CASE FILE IN TICRS
12/20/2006
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
08/08/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/08/2006
PLGL
ASSIGNED TO PARALEGAL
08/03/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
05/09/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/14/2006
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
07/22/2002
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
05/24/2002
COC.
CORRECTION UNDER SECTION 7 - PROCESSED
10/24/1997
AMD7
SEC 7 REQUEST FILED
05/28/1997
R.PR
REGISTERED-PRINCIPAL REGISTER
03/11/1997
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
01/13/1997
SUPC
STATEMENT OF USE PROCESSING COMPLETE
12/17/1996
IUAF
USE AMENDMENT FILED
10/24/1996
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
08/27/1996
PUBO
PUBLISHED FOR OPPOSITION
06/04/1996
NPUB
NOTICE OF PUBLICATION
05/03/1996
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
04/02/1996
CNEA
EXAMINER'S AMENDMENT MAILED
04/01/1996
DOCK
ASSIGNED TO EXAMINER
03/28/1996
Continuous trademark protection
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