NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
10/16/2025
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Official data from USPTO
DUOLINE
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
31
Latest update
04/03/2026
Trademark type
Word
Nice classes
6
Filing date
09/16/1985
Registration date
05/06/1986
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/16/2025
Last transaction
04/03/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
08/21/1985
First use in commerce
08/21/1985
Drawing code
1
Owner type
03
Owner location
GILMER, TX, US
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
Duoline Technologies, Inc.
DLT ACQUISITION, INC.
DUOLINE TECHNOLOGIES, LLC
ROBROY INDUSTRIES, INC.
ROBROY INDUSTRIES
Representatives
Charles G. Zug Nelson Mullins Riley & Scarborough LLP
Technical classification
Nice Classes
Class 6
Vienna Codes
No Vienna codes available.
Goods and services
Class 6
PLASTIC LINED METAL PIPE
Publications
History of USPTO decisions and trademark events.
31 publications found
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
10/16/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
10/16/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/16/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
06/24/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
05/06/2025
CORV
REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED
09/04/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
06/11/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/11/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/11/2018
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/17/2018
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/19/2017
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/01/2016
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
03/01/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/01/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/01/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
12/16/2015
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/26/2012
CFIT
CASE FILE IN TICRS
06/05/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
08/07/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/07/2006
PLGL
ASSIGNED TO PARALEGAL
07/27/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
05/04/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
05/04/2006
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
07/16/1992
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
04/20/1992
R.PR
REGISTERED-PRINCIPAL REGISTER
05/06/1986
PUBO
PUBLISHED FOR OPPOSITION
02/11/1986
NPUB
NOTICE OF PUBLICATION
01/12/1986
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
11/22/1985
DOCK
ASSIGNED TO EXAMINER
11/21/1985
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