Who owns the OKF trademark?

The OKF trademark is owned by Shenzhen Shanshui Technology Co., Ltd..

What class is the OKF trademark registered in?

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

What is the serial number for OKF?

The USPTO serial number for OKF is 90336550.

What is the registration number for OKF?

OKF is registered under USPTO registration number 6468839.

Sealvo

Home Search: OKFOKF #90336550

Back

Updated Nov 6, 2026·24 searches this week

View on USPTO TSDR Find similar marks

Section 8 declaration window

August 31, 2027

297 days remaining

OKF

REGISTERED

Serial: 90336550
Reg: 6468839
Filed: Nov 23, 2020
Owner: Shenzhen Shanshui Technology Co., Ltd.

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

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline 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, 024, 031, 034

First use anywhere: May 15, 2020

First use in commerce: May 15, 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.

Status History

13 events

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

Aug 31, 2026

Code REM1

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

Aug 31, 2026

Code REM1

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

Aug 31, 2026

Code REM1

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Aug 31, 2026

Code WOAR

WITHDRAWAL OF ATTORNEY GRANTED

Aug 31, 2026

Code WOAG

REGISTERED-PRINCIPAL REGISTER

Aug 31, 2021

Code R.PR

PUBLISHED FOR OPPOSITION

Jun 15, 2021

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 15, 2021

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 26, 2021

Code NONP

ASSIGNED TO EXAMINER

May 06, 2021

Code DOCK

APPROVED FOR PUB - PRINCIPAL REGISTER

May 06, 2021

Code CNSA

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 28, 2021

Code NWOS

NEW APPLICATION ENTERED

Nov 26, 2020

Code NWAP

OKF

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Shenzhen Shanshui Technology Co., Ltd.

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company