Who owns the CK CROSS-KEYS trademark?

The CK CROSS-KEYS trademark is owned by Glen Allen Gramkow.

What class is the CK CROSS-KEYS trademark registered in?

The CK CROSS-KEYS trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for CK CROSS-KEYS?

The USPTO serial number for CK CROSS-KEYS is 99413997.

What is the registration number for CK CROSS-KEYS?

CK CROSS-KEYS is registered under USPTO registration number 8482042.

CKC

USPTO Trademark Record

REGISTERED

CK CROSS-KEYS

SN 99413997·Reg 8482042·Filed Sep 26, 2025

Owner Glen Allen Gramkow

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

CK CROSS-KEYS (Serial No. 99413997), Registration No. 8482042, is a registered US trademark filed on Sep 26, 2025 by Glen Allen Gramkow. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: October 06, 2032

Mark Intelligence

CK CROSS-KEYS (Reg. #8482042) is a registered US trademark that has been protecting its owner, Glen Allen Gramkow, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 26, 2025

SERIAL

99413997

REG#

8482042

REGISTERED

Oct 06, 2026

Owner

Applicant

Glen Allen Gramkow

Entity

Individual

Address

PSC 559 Box 6353, FPO/AP, CA, 96377

Country

Attorney

NameKeesonga Gore

Law firm

Keesonga Gore Minott Gore, P.A.

Address

201 S. Biscayne Blvd., Suite 2800, Miami, FL 33131, United States

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Filing Information

StatusREGISTERED

Filing DateSep 26, 2025

Serial Number99413997

Registration No.8482042

Registration DateOct 06, 2026

Status DateOct 06, 2026

Published for OppositionAug 18, 2026

Mark TypeDesign with words

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Sep 25, 2025

First use in commerce: Sep 25, 2025

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

Status History

22 events

REGISTERED-PRINCIPAL REGISTER

Oct 06, 2026

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 18, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 18, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 12, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 21, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Jul 15, 2026

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 15, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 15, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

FINAL REFUSAL WRITTEN

Apr 16, 2026

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Apr 16, 2026

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Apr 16, 2026

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 13, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 13, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 13, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Feb 18, 2026

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Feb 18, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 18, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 18, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 16, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Feb 16, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Sep 26, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 26, 2025

APPLICATION FILING RECEIPT MAILED

CK CROSS-KEYS

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