Who owns the HC trademark?

The HC trademark is owned by HYDRO-CHEM SYSTEMS INC.

What is the serial number for HC?

The USPTO serial number for HC is 74335266.

What is the registration number for HC?

HC is registered under USPTO registration number 1864475.

Sealvo

Home Search: HCHC #74335266

Back

Updated Sep 18, 2026·42 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

ABANDONED

HC

Q: What class is the HC trademark registered in?

The HC trademark is registered in Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations), Class 042 (Scientific, technology & SaaS services).

SN 74335266·Reg 1864475·Filed Nov 27, 1992

Owner HYDRO-CHEM SYSTEMS INC

Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other substances for laundry use; cleaning, polishing and abrasive preparations.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

HC (Serial No. 74335266), Registration No. 1864475, is a abandoned US trademark filed on Nov 27, 1992 by HYDRO-CHEM SYSTEMS INC. This trademark covers Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations), Class 042 (Scientific, technology & SaaS services).

Conflict Analysis

Full conflict analysis for HC (SN 74335266) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HC (Reg. #1864475) is an abandoned US trademark that was filed in 1992 but has since been abandoned. The mark covers Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 27, 1992

SERIAL

74335266

REG#

1864475

REGISTERED

Nov 29, 1994

Filing Information

StatusABANDONED

Filing DateNov 27, 1992

Serial Number74335266

Registration No.1864475

Registration DateNov 29, 1994

Status DateSep 03, 2005

Published for OppositionSep 06, 1994

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 003Non-medicated cosmetics, toiletry preparations & cleaning preparations

US codes: 052

First use anywhere: May 31, 1975

First use in commerce: May 31, 1975

Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other substances for laundry use; cleaning, polishing and abrasive preparations.

Class 042Scientific, technology & SaaS services

US codes: 100

First use anywhere: May 31, 1975

First use in commerce: May 31, 1975

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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