Who owns the SK trademark?

The SK trademark is owned by LINDEN ST. HOLDINGS, INC..

What is the serial number for SK?

The USPTO serial number for SK is 73586156.

What is the registration number for SK?

SK is registered under USPTO registration number 1441780.

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USPTO Trademark Record

REGISTERED

SK

Q: What class is the SK trademark registered in?

The SK trademark is registered in Class 007 (Machines, machine tools & power-operated tools), Class 037 (Construction, installation & repair services).

SN 73586156·Reg 1441780·Filed Mar 05, 1986

Owner LINDEN ST. HOLDINGS, INC.

Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; agricultural implements, other than hand-operated hand tools; incubators for eggs; automatic vending machines.; Construction services; installation and repair services; mining extraction, oil and gas drilling.

SK (Serial No. 73586156), Registration No. 1441780, is a registered US trademark filed on Mar 05, 1986 by LINDEN ST. HOLDINGS, INC.. This trademark covers Class 007 (Machines, machine tools & power-operated tools), Class 037 (Construction, installation & repair services).

renewal 40y period: June 09, 2027226 days remaining

Mark Intelligence

SK (Reg. #1441780) is a registered US trademark that has been protecting its owner, LINDEN ST. HOLDINGS, INC., since 1986. The mark covers Class 007 (Machines, machine tools & power-operated tools) and Class 037 (Construction, installation & repair services) respectively. Goods and services include Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transm.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 05, 1986

SERIAL

73586156

REG#

1441780

REGISTERED

Jun 09, 1987

Filing Information

StatusREGISTERED

Filing DateMar 05, 1986

Serial Number73586156

Registration No.1441780

Registration DateJun 09, 1987

Status DateJun 10, 2017

Published for OppositionMar 17, 1987

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 007Machines, machine tools & power-operated tools

US codes: 013, 019, 021, 023, 031, 034, 035

First use anywhere: Jan 31, 1972

First use in commerce: Jan 31, 1972

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jan 31, 1972

First use in commerce: Jan 31, 1972

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

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Status History

35 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Sep 23, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 28, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 28, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 28, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jun 09, 2026

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 02, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Apr 02, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 02, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 02, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 02, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 10, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - PARTIAL SEC. 8 (10-YR) ACCEPTED

Jun 10, 2017

REGISTERED - PARTIAL SEC. 8 (10-YR) ACCEPTED

REGISTERED - SEC. 9 GRANTED/CHECK RECORD FOR SEC. 8

Jun 10, 2017

REGISTERED - SEC. 9 GRANTED/CHECK RECORD FOR SEC. 8

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jun 10, 2017

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Jun 10, 2017

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Apr 19, 2017

TEAS SECTION 8 & 9 RECEIVED

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

Jun 09, 2016

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

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

Dec 13, 2007

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 13, 2007

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Dec 10, 2007

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Dec 06, 2007

TEAS SECTION 8 & 9 RECEIVED

CASE FILE IN TICRS

Oct 23, 2006

CASE FILE IN TICRS

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

Jul 23, 1993

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

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

Mar 03, 1993

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

RESPONSE RECEIVED TO POST REG. ACTION

Mar 03, 1993

RESPONSE RECEIVED TO POST REG. ACTION

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Jan 07, 1993

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

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

Sep 04, 1992

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

REGISTERED-PRINCIPAL REGISTER

Jun 09, 1987

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 17, 1987

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Feb 17, 1987

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 10, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT MAILED

Dec 04, 1986

EXAMINERS AMENDMENT MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 04, 1986

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

May 15, 1986

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

May 06, 1986

ASSIGNED TO EXAMINER

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