Who owns the KS-50 trademark?

The KS-50 trademark is owned by DSM IP ASSETS B.V..

What class is the KS-50 trademark registered in?

The KS-50 trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for KS-50?

The USPTO serial number for KS-50 is 73618385.

What is the registration number for KS-50?

KS-50 is registered under USPTO registration number 1438813.

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Updated Sep 17, 2026·40 searches this week

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KS5

USPTO Trademark Record

ABANDONED

KS-50

SN 73618385·Reg 1438813·Filed Sep 08, 1986

Owner DSM IP ASSETS B.V.

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

KS-50 (Serial No. 73618385), Registration No. 1438813, is a abandoned US trademark filed on Sep 08, 1986 by DSM IP ASSETS B.V.. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Conflict Analysis

Full conflict analysis for KS-50 (SN 73618385) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

KS-50 (Reg. #1438813) is an abandoned US trademark that was filed in 1986 but has since been abandoned. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 08, 1986

SERIAL

73618385

REG#

1438813

REGISTERED

May 12, 1987

Filing Information

StatusABANDONED

Filing DateSep 08, 1986

Serial Number73618385

Registration No.1438813

Registration DateMay 12, 1987

Status DateMar 27, 2020

Published for OppositionFeb 17, 1987

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 006, 046

First use anywhere: Jan 27, 1977

First use in commerce: Feb 09, 1977

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

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Status History

22 events

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

Mar 27, 2020

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

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

May 12, 2016

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 04, 2016

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 04, 2016

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 30, 2014

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 29, 2014

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 29, 2014

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Aug 14, 2007

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 14, 2007

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Aug 07, 2007

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jul 12, 2007

TEAS SECTION 8 & 9 RECEIVED

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

Jul 12, 2007

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Dec 20, 2006

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Oct 23, 2006

CASE FILE IN TICRS

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Dec 07, 1992

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

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

Dec 07, 1992

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

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

Aug 12, 1992

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

REGISTERED-PRINCIPAL REGISTER

May 12, 1987

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 17, 1987

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jan 18, 1987

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 15, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 10, 1986

ASSIGNED TO EXAMINER

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