Who owns the DIFCUL trademark?

The DIFCUL trademark is owned by Quan, Zhixing.

What class is the DIFCUL trademark registered in?

The DIFCUL trademark is registered in Class 012 (Vehicles & parts for locomotion).

What is the serial number for DIFCUL?

The USPTO serial number for DIFCUL is 90279871.

What is the registration number for DIFCUL?

DIFCUL is registered under USPTO registration number 6425854.

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Home Search: DIFCULDIFCUL #90279871

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Updated Oct 10, 2026·19 searches this week

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DIF

USPTO Trademark Record

REGISTERED

DIFCUL

SN 90279871·Reg 6425854·Filed Oct 27, 2020

Owner Quan, Zhixing

Vehicles; apparatus for locomotion by land, air or water.

DIFCUL (Serial No. 90279871), Registration No. 6425854, is a registered US trademark filed on Oct 27, 2020 by Quan, Zhixing. This trademark covers Class 012 (Vehicles & parts for locomotion).

Section 8/9 declaration window: July 21, 2031

Mark Intelligence

DIFCUL (Reg. #6425854) is a registered US trademark that has been protecting its owner, Quan, Zhixing, since 2020. The mark covers Class 012 (Vehicles & parts for locomotion). Goods and services include Vehicles; apparatus for locomotion by land, air or water.. The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 27, 2020

SERIAL

90279871

REG#

6425854

REGISTERED

Jul 20, 2021

Filing Information

StatusREGISTERED

Filing DateOct 27, 2020

Serial Number90279871

Registration No.6425854

Registration DateJul 20, 2021

Status DateJul 20, 2021

Published for OppositionMay 04, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 012Vehicles & parts for locomotion

US codes: 019, 021, 023, 031, 035, 044

First use anywhere: Oct 11, 2018

First use in commerce: May 16, 2020

Vehicles; apparatus for locomotion by land, air or water.

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

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Status History

11 events

TEAS SECTION 8 RECEIVED

Aug 21, 2026

TEAS SECTION 8 RECEIVED

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

Jul 20, 2026

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

AMENDMENT CORRESPONDENCE ENTERED

Apr 15, 2024

AMENDMENT CORRESPONDENCE ENTERED

REGISTERED-PRINCIPAL REGISTER

Jul 20, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 04, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 04, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 14, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Mar 28, 2021

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 28, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 16, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 30, 2020

NEW APPLICATION ENTERED

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