Who owns the MAINSTREAM trademark?

The MAINSTREAM trademark is owned by Mainstream Fluid & Air, LLC..

What is the serial number for MAINSTREAM?

The USPTO serial number for MAINSTREAM is 88767604.

What is the registration number for MAINSTREAM?

MAINSTREAM is registered under USPTO registration number 6269599.

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USPTO Trademark Record

REGISTERED

MAINSTREAM

Q: What class is the MAINSTREAM trademark registered in?

The MAINSTREAM trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 037 (Construction, installation & repair services).

SN 88767604·Reg 6269599·Filed Jan 21, 2020

Owner Mainstream Fluid & Air, LLC.

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.; Construction services; installation and repair services; mining extraction, oil and gas drilling.

MAINSTREAM (Serial No. 88767604), Registration No. 6269599, is a registered US trademark filed on Jan 21, 2020 by Mainstream Fluid & Air, LLC.. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 037 (Construction, installation & repair services).

Section 8/9 declaration window: February 17, 2031

Conflict Analysis

Full conflict analysis for MAINSTREAM (SN 88767604) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

MAINSTREAM (Reg. #6269599) is a registered US trademark that has been protecting its owner, Mainstream Fluid & Air, LLC., since 2020. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus) and Class 037 (Construction, installation & repair services) respectively. Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 21, 2020

SERIAL

88767604

REG#

6269599

REGISTERED

Feb 16, 2021

Filing Information

StatusREGISTERED

Filing DateJan 21, 2020

Serial Number88767604

Registration No.6269599

Registration DateFeb 16, 2021

Status DateMay 12, 2026

Published for OppositionDec 01, 2020

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Nov 30, 1991

First use in commerce: Nov 30, 1991

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

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Nov 30, 1991

First use in commerce: Nov 30, 1991

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

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Status History

29 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 23, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 23, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 23, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 23, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 23, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 12, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 12, 2026

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

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

May 12, 2026

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

TEAS SECTION 8 & 15 RECEIVED

Feb 18, 2026

TEAS SECTION 8 & 15 RECEIVED

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

Feb 16, 2026

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

REGISTERED-PRINCIPAL REGISTER

Feb 16, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Dec 01, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 01, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 11, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF ACCEPTANCE OF AMENDMENT TO ALLEGE USE E-MAILED

Oct 27, 2020

NOTICE OF ACCEPTANCE OF AMENDMENT TO ALLEGE USE E-MAILED

USE AMENDMENT ACCEPTED

Oct 24, 2020

USE AMENDMENT ACCEPTED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 24, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

USE AMENDMENT FILED

Oct 02, 2020

USE AMENDMENT FILED

AMENDMENT TO USE PROCESSING COMPLETE

Oct 02, 2020

AMENDMENT TO USE PROCESSING COMPLETE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 01, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 01, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 01, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS AMENDMENT OF USE RECEIVED

Oct 01, 2020

TEAS AMENDMENT OF USE RECEIVED

NON-FINAL ACTION WRITTEN

Apr 15, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 15, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 15, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Apr 08, 2020

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 25, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 24, 2020

NEW APPLICATION ENTERED

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