TrademarkDir
DUPLEX PLUG & PLAY
LIVE

Serial Number

87331916

Owner

ClearSign Combustion Corporation

Attorney

Kevin S. Costanza

First Use Date

Jun 13, 2019

Filing Date

Feb 10, 2017

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DUPLEX PLUG & PLAY Trademark

Serial Number: 87331916 • Registration: 5891669

DUPLEX PLUG & PLAY is a trademark filed by ClearSign Combustion Corporation on February 10, 2017. The trademark is classified under Class 11 (Environmental Control). The application is currently registered and active.

Owner Contact Info

ClearSign Combustion Corporation (13 trademarks)

STE 100
TUKWILA, WA 98168

Entity Type: 03

Trademark Details

Filing Date

February 10, 2017

Registration Date

October 22, 2019

First Use Anywhere

June 13, 2019

First Use in Commerce

June 13, 2019

Published for Opposition

July 17, 2018

Goods & Services

Burners, namely, gas burners, coal burners, wood burners; primary gas burners and secondary liquid fuel burners for industrial use; boilers, namely, furnace boilers, heating boilers, fixed industrial boilers, and process heating boilers; furnaces; burner replacement kits for boilers, furnaces and process heaters, namely, burner replacement parts in the nature of gas or liquid nozzles and flame holders featuring multiple perforations

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Nov 25, 2025 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Nov 25, 2025 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Nov 25, 2025 APRE
TEAS SECTION 8 & 15 RECEIVED
Aug 8, 2025 E815
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Oct 22, 2024 REM1
REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY ENTERED
Dec 5, 2019 CORV
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
Dec 4, 2019 EWAF
REGISTERED-PRINCIPAL REGISTER
Oct 22, 2019 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Sep 20, 2019 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Sep 19, 2019 CNPR
STATEMENT OF USE PROCESSING COMPLETE
Aug 21, 2019 SUPC
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Aug 21, 2019 AITU
USE AMENDMENT FILED
Jul 25, 2019 IUAF
TEAS STATEMENT OF USE RECEIVED
Jul 25, 2019 EISU
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Mar 8, 2019 EXRA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Mar 6, 2019 TCCA
SOU EXTENSION 1 GRANTED
Mar 6, 2019 EX1G
SOU EXTENSION 1 FILED
Mar 6, 2019 EXT1
SOU TEAS EXTENSION RECEIVED
Mar 6, 2019 EEXT
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Sep 11, 2018 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jul 17, 2018 NPUB
PUBLISHED FOR OPPOSITION
Jul 17, 2018 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jun 27, 2018 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Jun 11, 2018 CNSA
EXAMINER'S AMENDMENT ENTERED
Jun 11, 2018 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Jun 11, 2018 GNEN
EXAMINERS AMENDMENT E-MAILED
Jun 11, 2018 GNEA
EXAMINERS AMENDMENT -WRITTEN
Jun 11, 2018 CNEA
NOTIFICATION OF FINAL REFUSAL EMAILED
Dec 9, 2017 GNFN
FINAL REFUSAL E-MAILED
Dec 9, 2017 GNFR
FINAL REFUSAL WRITTEN
Dec 9, 2017 CNFR
TEAS/EMAIL CORRESPONDENCE ENTERED
Nov 14, 2017 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Nov 14, 2017 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Nov 14, 2017 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
May 14, 2017 GNRN
NON-FINAL ACTION E-MAILED
May 14, 2017 GNRT
NON-FINAL ACTION WRITTEN
May 14, 2017 CNRT
ASSIGNED TO EXAMINER
May 6, 2017 DOCK
NOTICE OF PSEUDO MARK E-MAILED
Feb 17, 2017 MPMK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 16, 2017 NWOS
NEW APPLICATION ENTERED
Feb 14, 2017 NWAP

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