Who owns the WLOISC trademark?

The WLOISC trademark is owned by Liu Yihan.

What class is the WLOISC trademark registered in?

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

What is the serial number for WLOISC?

The USPTO serial number for WLOISC is 90170492.

What is the registration number for WLOISC?

WLOISC is registered under USPTO registration number 6347393.

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WLO

USPTO Trademark Record

REGISTERED

WLOISC

SN 90170492·Reg 6347393·Filed Sep 10, 2020

Owner Liu Yihan

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

WLOISC (Serial No. 90170492), Registration No. 6347393, is a registered US trademark filed on Sep 10, 2020 by Liu Yihan. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Renewal window: May 11, 2027210 days remaining

Mark Intelligence

WLOISC (Reg. #6347393) is a registered US trademark that has been protecting its owner, Liu Yihan, since 2020. 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

Sep 10, 2020

SERIAL

90170492

REG#

6347393

REGISTERED

May 11, 2021

Filing Information

StatusREGISTERED

Filing DateSep 10, 2020

Serial Number90170492

Registration No.6347393

Registration DateMay 11, 2021

Status DateMay 11, 2021

Published for OppositionFeb 23, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Jul 24, 2020

First use in commerce: Jul 24, 2020

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

19 events

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

May 11, 2026

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

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Mar 15, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Mar 15, 2026

WITHDRAWAL OF ATTORNEY GRANTED

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

Nov 04, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 04, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 04, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Nov 04, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

REGISTERED-PRINCIPAL REGISTER

May 11, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 23, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 23, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 03, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jan 21, 2021

ASSIGNED TO EXAMINER

EXAMINERS AMENDMENT -WRITTEN

Jan 21, 2021

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jan 21, 2021

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jan 21, 2021

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jan 21, 2021

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 21, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 16, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 14, 2020

NEW APPLICATION ENTERED

WLOISC

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