(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from USPTO

GHK

Did you know this trademark is already registered in United States?

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: CombinedOffice: United States

Quick snapshot

GHK

ST13

US500000079230112

Class

6, 7, 9, 11

Filing

79230112

Registration

5682666

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

45

Latest update

03/06/2026

Trademark type

Combined

Nice classes

6, 7, 9, 11

Filing date

11/08/2017

Registration date

02/26/2019

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

06/06/2025

Last transaction

03/06/2026

Responsible office

United States Patent and Trademark Office

Status code

708

Official register

Principal Register

Drawing code

5

Owner type

25

Owner location

Graben-Neudorf, DE

Examiner

BROWN, TINA

Current location

Historical data usage

Mark description

The mark consists of the letters "GHK" in stylized font where the letters "HK" appear inside of a larger letter "G".

Holders and representatives

Holders

Hartmann & König Stromzuführungs AG
Hartmann & König Stromzuführungs AG

Representatives

Ralph E. Locher Lerner Greenberg Stemer LLP

Technical classification

Nice Classes

Class 6Class 7Class 9Class 11

Vienna Codes

No Vienna codes available.

Goods and services

Class 6

Metal storage drumscable drums of metal; ropesnon-electricalnon-electric cables andnon-electricalnon-electric wires of common metal

Class 7

Parts of machinesbrushes and brush apparatuses in the nature of rotary brushes for machineselectric brushes being parts of machines; springs and spring assemblies for spring cable reels consisting of springs being parts of machines; mechanical couplings for machines; cable reel accessories being structural parts of cranesrotating ceiling mountsrotating wall mountsrotary valvestwo-way feedsguide rollerscable gripscombinations of the aforesaid elementscable support rollerscable deflection guidescable pulling gripsguiding rollersroller deflection guidesroller deflection guides with or without slack cable and cable pulling devices in the nature of cable pullersdeflection and guide rollersdeflection link chainsdeflection flangesdeflection devices in the nature of deflectors; drives for machineselectric drives for motor-driven cable reels; couplings for electric machines

Class 9

Powerelectric and differential switches for electric motors; electric cables and battery and cable jump leads; apparatus and instruments for power distribution or controlelectric socketsslip-rings in the nature of rotating electrical connectorsscrew fittings in the nature of electrical connectors with a screw attachment area; electrical terminal boxesend computer and telephone terminals and distributors in the nature of electrical distribution boxesdistribution transformerscontrol stations in the nature of electric control panels; electrical temperature controllers; rectifiers; coilselectric; slip-ring systems comprised of current convertscurrent rectifierscurrent transformersfuses; slip rings in the nature of current transformerselectric current switchescurrent rectifiers and slip-ring assemblies consisting of current transformerselectric current switchescurrent rectifiers; cam limit electric and power switches; optical fibers

Class 11

Heating apparatus for slip-ring assembly housingheating installationsheating elementselectrical heating cables

Publications

History of USPTO decisions and trademark events.

45 publications found

NREP

NEW REPRESENTATIVE AT IB RECEIVED

03/05/2026

INPR

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

02/06/2026

INPR

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

02/02/2026

NA75

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

06/06/2025

C75P

REGISTERED - PARTIAL SEC. 71 ACCEPTED & SEC. 15 ACK.

06/06/2025

EROP

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

06/06/2025

PR75

POST REGISTRATION ACTION MAILED - SEC. 71 & 15

06/06/2025

EROP

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

06/05/2025

PR75

POST REGISTRATION ACTION MAILED - SEC. 71 & 15

06/02/2025

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

06/02/2025

ES75

TEAS SECTION 71 & 15 RECEIVED

02/13/2025

REM3

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

02/26/2024

FINO

FINAL DECISION TRANSACTION PROCESSED BY IB

07/12/2019

FICS

FINAL DISPOSITION NOTICE SENT TO IB

06/20/2019

FIMP

FINAL DISPOSITION PROCESSED

06/20/2019

FICR

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

05/26/2019

R.PR

REGISTERED-PRINCIPAL REGISTER

02/26/2019

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

12/11/2018

PUBO

PUBLISHED FOR OPPOSITION

12/11/2018

GPNX

NOTIFICATION PROCESSED BY IB

12/08/2018

OPNS

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

11/21/2018

OP2R

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

11/21/2018

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

11/21/2018

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

11/06/2018

XAEC

EXAMINER'S AMENDMENT ENTERED

11/06/2018

GNEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

11/06/2018

GNEA

EXAMINERS AMENDMENT E-MAILED

11/06/2018

CNEA

EXAMINERS AMENDMENT -WRITTEN

11/06/2018

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

10/16/2018

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

10/16/2018

ALIE

ASSIGNED TO LIE

10/15/2018

TROA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

09/28/2018

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

09/25/2018

REAP

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

09/25/2018

CNRT

NON-FINAL ACTION MAILED

05/29/2018

CNRT

NON-FINAL ACTION WRITTEN

05/29/2018

RFNT

REFUSAL PROCESSED BY IB

05/04/2018

RFCS

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

04/18/2018

RFRR

REFUSAL PROCESSED BY MPU

04/18/2018

MAFR

APPLICATION FILING RECEIPT MAILED

04/17/2018

RFCR

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

04/15/2018

CNRT

NON-FINAL ACTION WRITTEN

04/14/2018

DOCK

ASSIGNED TO EXAMINER

04/13/2018

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

04/13/2018

REPR

SN ASSIGNED FOR SECT 66A APPL FROM IB

04/12/2018

Continuous trademark protection

Get notified about every new filing that threatens GHK or your mark.

Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.