Who owns the QRF trademark?

The QRF trademark is owned by Zhang Xuefeng.

What class is the QRF trademark registered in?

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

What is the serial number for QRF?

The USPTO serial number for QRF is 88089512.

What is the registration number for QRF?

QRF is registered under USPTO registration number 5792163.

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Updated Sep 19, 2026·29 searches this week

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QRF

USPTO Trademark Record

REGISTERED

QRF

SN 88089512·Reg 5792163·Filed Aug 23, 2018

Owner Zhang Xuefeng

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

QRF (Serial No. 88089512), Registration No. 5792163, is a registered US trademark filed on Aug 23, 2018 by Zhang Xuefeng. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: July 02, 2029

Conflict Analysis

Full conflict analysis for QRF (SN 88089512) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QRF (Reg. #5792163) is a registered US trademark that has been protecting its owner, Zhang Xuefeng, since 2018. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). 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

Aug 23, 2018

SERIAL

88089512

REG#

5792163

REGISTERED

Jul 02, 2019

Filing Information

StatusREGISTERED

Filing DateAug 23, 2018

Serial Number88089512

Registration No.5792163

Registration DateJul 02, 2019

Status DateMar 31, 2025

Published for OppositionJan 15, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Feb 23, 2018

First use in commerce: Feb 23, 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.

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Status History

16 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 31, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Mar 31, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Mar 31, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Aug 29, 2024

TEAS SECTION 8 RECEIVED

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

Jul 02, 2024

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

REGISTERED-PRINCIPAL REGISTER

Jul 02, 2019

REGISTERED-PRINCIPAL REGISTER

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

May 26, 2019

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

EXTENSION OF TIME TO OPPOSE RECEIVED

Feb 12, 2019

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Jan 15, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 15, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 26, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Dec 08, 2018

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 08, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 01, 2018

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 31, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 27, 2018

NEW APPLICATION ENTERED

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