Who owns the CB4K trademark?

The CB4K trademark is owned by ComicBooks for Kids!.

What class is the CB4K trademark registered in?

The CB4K trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for CB4K?

The USPTO serial number for CB4K is 90555431.

What is the registration number for CB4K?

CB4K is registered under USPTO registration number 6620138.

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Updated Sep 17, 2026·26 searches this week

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CB4

USPTO Trademark Record

REGISTERED

CB4K

SN 90555431·Reg 6620138·Filed Mar 02, 2021

Owner ComicBooks for Kids!

Education; providing of training; entertainment; sporting and cultural activities.

CB4K (Serial No. 90555431), Registration No. 6620138, is a registered US trademark filed on Mar 02, 2021 by ComicBooks for Kids!. This trademark covers Class 041 (Education & entertainment services).

early section 8: January 18, 2028

Conflict Analysis

Full conflict analysis for CB4K (SN 90555431) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CB4K (Reg. #6620138) is a registered US trademark that has been protecting its owner, ComicBooks for Kids!, since 2021. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 02, 2021

SERIAL

90555431

REG#

6620138

REGISTERED

Jan 18, 2022

Filing Information

StatusREGISTERED

Filing DateMar 02, 2021

Serial Number90555431

Registration No.6620138

Registration DateJan 18, 2022

Status DateJan 18, 2022

Published for OppositionNov 02, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 30, 2016

First use in commerce: Nov 30, 2016

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

15 events

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

Sep 26, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 26, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 26, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Jan 18, 2022

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 02, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 02, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 13, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Sep 28, 2021

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Sep 28, 2021

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 28, 2021

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Sep 28, 2021

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 28, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 23, 2021

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 01, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 05, 2021

NEW APPLICATION ENTERED

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COM

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