TrademarkDir
DIF-RING
LIVE

Serial Number

88301620

Owner

Duoline Technologies, Inc.

Attorney

Charles G. Zug

First Use Date

Oct 5, 2021

Filing Date

Feb 14, 2019

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DIF-RING Trademark

Serial Number: 88301620 • Registration: 6707719

DIF-RING is a trademark filed by Duoline Technologies, Inc. on February 14, 2019. The trademark is classified under Class 17 (Rubber Goods). The application is currently registered and active.

Owner Contact Info

Duoline Technologies, Inc. (2 trademarks)

Gilmer, TX 75645

Entity Type: 03

Trademark Details

Filing Date

February 14, 2019

Registration Date

April 19, 2022

First Use Anywhere

October 5, 2021

First Use in Commerce

October 5, 2021

Published for Opposition

June 25, 2019

Goods & Services

Non-metal corrosion barrier rings and collars for use in connecting segments of oil field tubing

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jun 17, 2025 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jun 17, 2025 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jun 17, 2025 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Jun 17, 2025 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Jun 17, 2025 COAR
REGISTERED-PRINCIPAL REGISTER
Apr 19, 2022 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Mar 18, 2022 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Mar 17, 2022 CNPR
STATEMENT OF USE PROCESSING COMPLETE
Mar 16, 2022 SUPC
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Mar 14, 2022 AITU
USE AMENDMENT FILED
Feb 18, 2022 IUAF
TEAS STATEMENT OF USE RECEIVED
Feb 18, 2022 EISU
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Jul 22, 2021 EXRA
SOU EXTENSION 4 GRANTED
Jul 20, 2021 EX4G
SOU EXTENSION 4 FILED
Jul 20, 2021 EXT4
SOU TEAS EXTENSION RECEIVED
Jul 20, 2021 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 4, 2021 EXRA
SOU EXTENSION 3 GRANTED
Feb 2, 2021 EX3G
SOU EXTENSION 3 FILED
Feb 2, 2021 EXT3
SOU TEAS EXTENSION RECEIVED
Feb 2, 2021 EEXT
REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED
Sep 4, 2020 CORV
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Aug 20, 2020 EXRA
SOU EXTENSION 2 GRANTED
Aug 18, 2020 EX2G
SOU EXTENSION 2 FILED
Aug 18, 2020 EXT2
SOU TEAS EXTENSION RECEIVED
Aug 18, 2020 EEXT
CORRESPONDENCE RECEIVED IN LAW OFFICE
Jun 11, 2020 CRFA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Nov 22, 2019 EXRA
SOU EXTENSION 1 GRANTED
Nov 20, 2019 EX1G
SOU EXTENSION 1 FILED
Nov 20, 2019 EXT1
SOU TEAS EXTENSION RECEIVED
Nov 20, 2019 EEXT
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Aug 20, 2019 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jun 25, 2019 NPUB
PUBLISHED FOR OPPOSITION
Jun 25, 2019 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jun 5, 2019 NONP
ASSIGNED TO LIE
May 16, 2019 ALIE
APPROVED FOR PUB - PRINCIPAL REGISTER
May 1, 2019 CNSA
EXAMINER'S AMENDMENT ENTERED
May 1, 2019 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
May 1, 2019 GNEN
EXAMINERS AMENDMENT E-MAILED
May 1, 2019 GNEA
EXAMINERS AMENDMENT -WRITTEN
May 1, 2019 CNEA
ASSIGNED TO EXAMINER
Apr 26, 2019 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Mar 8, 2019 NWOS
NEW APPLICATION ENTERED
Feb 18, 2019 NWAP

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