Who owns the DUOSMART trademark?

The DUOSMART trademark is owned by Rinnai America Corporation.

What class is the DUOSMART trademark registered in?

The DUOSMART trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for DUOSMART?

The USPTO serial number for DUOSMART is 88187243.

What is the registration number for DUOSMART?

DUOSMART is registered under USPTO registration number 6102905.

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Updated Nov 5, 2026·26 searches this week

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Section 8/9 declaration window

July 15, 2030

1347 days remaining

DUO

DUOSMART

REGISTERED

Serial: 88187243
Reg: 6102905
Filed: Nov 08, 2018
Owner: Rinnai America Corporation

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 031, 034

First use anywhere: Oct 01, 2018

First use in commerce: Oct 01, 2018

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

33 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 21, 2026

Code APRE

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jul 21, 2026

Code C15A

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jul 21, 2026

Code NA85

TEAS SECTION 8 & 15 RECEIVED

Apr 16, 2026

Code E815

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Jul 14, 2025

Code REM1

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jan 19, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 19, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 19, 2024

Code TCCA

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 07, 2023

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 07, 2023

Code CHAN

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Nov 07, 2023

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 07, 2023

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 07, 2023

Code TCCA

REGISTERED-PRINCIPAL REGISTER

Jul 14, 2020

Code R.PR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jun 11, 2020

Code SUNA

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jun 10, 2020

Code CNPR

SOU TEAS EXTENSION RECEIVED

May 21, 2020

Code EEXT

CASE ASSIGNED TO INTENT TO USE PARALEGAL

May 05, 2020

Code AITU

STATEMENT OF USE PROCESSING COMPLETE

May 05, 2020

Code SUPC

TEAS STATEMENT OF USE RECEIVED

Apr 21, 2020

Code EISU

USE AMENDMENT FILED

Apr 21, 2020

Code IUAF

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Nov 23, 2019

Code EXRA

SOU TEAS EXTENSION RECEIVED

Nov 21, 2019

Code EEXT

SOU EXTENSION 1 FILED

Nov 21, 2019

Code EXT1

SOU EXTENSION 1 GRANTED

Nov 21, 2019

Code EX1G

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 21, 2019

Code NOAM

PUBLISHED FOR OPPOSITION

Mar 26, 2019

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 26, 2019

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 06, 2019

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 14, 2019

Code CNSA

ASSIGNED TO EXAMINER

Feb 13, 2019

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 27, 2018

Code NWOS

NEW APPLICATION ENTERED

Nov 12, 2018

Code NWAP

DUOSMART

What to file next

Full Goods & Services

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