REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/13/2026
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Official data from USPTO
DUOLINE
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: CombinedOffice: US
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
06/14/2026
Classification
Registered
Trademark type
Combined
Nice classes
37, 103
Filing date
05/27/1966
Registration date
06/13/1967
Expiration date
-
Recommended action
Perform a full collision analysis and validate classes before any filing or trademark investment.
Next step
These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/03/2016
Last transaction
06/14/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
12/01/1965
First use in commerce
04/28/1966
Drawing code
5
Owner type
03
Owner location
Gilmer, TX, US
Current location
POST REGISTRATION
Holders and representatives
Holders
DLT ACQUISITION, INC.
DUOLINE TECHNOLOGIES, LLC
ROBROY INDUSTRIES, INC.
RICE ENGINEERING & OPERATING, INC.
Representatives
Charles G. Zug Nelson Mullins Riley & Scarborough LLP
Technical classification
Nice Classes
Class 37Class 103
Vienna Codes
No Vienna codes available.
Goods and services
Class 37
No specification.
Class 103
PIPE LINING SERVICES
Publications
History of USPTO decisions and trademark events.
31 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/24/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/24/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/24/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/24/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/24/2025
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
A7OK
AMENDMENT UNDER SECTION 7 - PROCESSED
04/04/2018
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/17/2018
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
12/18/2017
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/19/2017
PRAM
POST REGISTRATION ACTION MAILED - SEC. 7
06/21/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/20/2017
ES7R
TEAS SECTION 7 REQUEST RECEIVED
04/17/2017
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
10/03/2016
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
10/03/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
10/03/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/03/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
07/20/2016
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/26/2012
CFIT
CASE FILE IN TICRS
01/26/2009
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
07/31/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/31/2007
PLGL
ASSIGNED TO PARALEGAL
07/11/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
06/12/2007
E89R
TEAS SECTION 8 & 9 RECEIVED
06/12/2007
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
06/13/1987
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
02/19/1987
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