Who owns the DUO-SERV trademark?

The DUO-SERV trademark is owned by CSC SERVICEWORKS, INC..

What class is the DUO-SERV trademark registered in?

The DUO-SERV trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for DUO-SERV?

The USPTO serial number for DUO-SERV is 73580875.

What is the registration number for DUO-SERV?

DUO-SERV is registered under USPTO registration number 1422618.

DUO

USPTO Trademark Record

REGISTERED

DUO-SERV

SN 73580875·Reg 1422618·Filed Feb 03, 1986

Owner CSC SERVICEWORKS, INC.

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.

DUO-SERV (Serial No. 73580875), Registration No. 1422618, is a registered US trademark filed on Feb 03, 1986 by CSC SERVICEWORKS, INC.. This trademark covers Class 009 (Electronics, software & scientific instruments).

renewal 40y period: December 30, 2026103 days remaining

Mark Intelligence

DUO-SERV (Reg. #1422618) is a registered US trademark that has been protecting its owner, CSC SERVICEWORKS, INC., since 1986. 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

Feb 03, 1986

SERIAL

73580875

REG#

1422618

REGISTERED

Dec 30, 1986

Owner

Applicant

CSC SERVICEWORKS, INC.

Entity

Corporation

State

Address

303 SUNNYSIDE BLVD., PLAINVIEW, NY, 11803

Country

Attorney

NameClaudia A. Smith

Law firm

Claudia A. Smith White & Case LLP

Docket

1179244-0019

Address

1155 Avenue of the Americas, Trademark Department, New York, NY 10036, UNITED STATES

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateFeb 03, 1986

Serial Number73580875

Registration No.1422618

Registration DateDec 30, 1986

Status DateAug 17, 2016

Published for OppositionOct 07, 1986

Mark TypeTypeset (words/letters/numbers)

Attorney Docket1179244-0019

Status DescriptionLive and registered, renewed

Filing Signals

FILED

1986

YEARS AGO

40y

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

Search 15M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023

First use anywhere: Jun 01, 1982

First use in commerce: Jun 01, 1982

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

Status History

29 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 08, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Dec 30, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 10, 2021

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 20, 2020

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 05, 2017

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Aug 17, 2016

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Aug 17, 2016

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Aug 17, 2016

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 17, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

May 25, 2016

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

May 18, 2016

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 30, 2013

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 22, 2013

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CASE FILE IN TICRS

Sep 28, 2006

CASE FILE IN TICRS

ASSIGNED TO PARALEGAL

Jul 08, 2006

ASSIGNED TO PARALEGAL

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jul 08, 2006

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jul 08, 2006

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

TEAS SECTION 8 & 9 RECEIVED

May 03, 2006

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

May 03, 2006

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Nov 17, 1992

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

RESPONSE RECEIVED TO POST REG. ACTION

Jun 26, 1992

RESPONSE RECEIVED TO POST REG. ACTION

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Jun 12, 1992

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Feb 05, 1992

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Dec 30, 1986

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 07, 1986

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 07, 1986

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 14, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT MAILED

Aug 12, 1986

EXAMINERS AMENDMENT MAILED

NON-FINAL ACTION MAILED

Apr 09, 1986

NON-FINAL ACTION MAILED

DUO-SERV

Get pre-filing clearance

Search 15M+ trademarks

Run a conflict check

Other Marks by CSC SERVICEWORKS, INC.

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Claudia A. Smith

Resources

Company