Who owns the SIL-K trademark?

The SIL-K trademark is owned by HUMA, INC..

What class is the SIL-K trademark registered in?

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

What is the serial number for SIL-K?

The USPTO serial number for SIL-K is 87041965.

What is the registration number for SIL-K?

SIL-K is registered under USPTO registration number 5179650.

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Home Search: SIL-KSIL-K #87041965

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Updated Oct 18, 2026·41 searches this week

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SIL

USPTO Trademark Record

REGISTERED

SIL-K

SN 87041965·Reg 5179650·Filed May 18, 2016

Owner HUMA, INC.

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.

SIL-K (Serial No. 87041965), Registration No. 5179650, is a registered US trademark filed on May 18, 2016 by HUMA, INC.. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Section 8/9 declaration window: April 13, 2037

Mark Intelligence

SIL-K (Reg. #5179650) is a registered US trademark that has been protecting its owner, HUMA, INC., since 2016. 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

May 18, 2016

SERIAL

87041965

REG#

5179650

REGISTERED

Apr 11, 2017

Filing Information

StatusREGISTERED

Filing DateMay 18, 2016

Serial Number87041965

Registration No.5179650

Registration DateApr 11, 2017

Status DateJun 15, 2026

Published for OppositionJan 24, 2017

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: 001, 005, 006, 010, 026, 046

First use anywhere: Jul 28, 2009

First use in commerce: Jul 28, 2009

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

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Status History

52 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 15, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 15, 2026

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 15, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jun 15, 2026

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

TEAS SECTION 8 & 9 RECEIVED

Apr 13, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Apr 11, 2026

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 29, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 29, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 29, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 29, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 29, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 29, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 29, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 29, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 05, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 18, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 18, 2022

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

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Oct 18, 2022

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 12, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Jul 12, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 12, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jul 12, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 12, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 12, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS SECTION 8 & 15 RECEIVED

Apr 19, 2022

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Apr 11, 2022

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

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

Sep 12, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 12, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 12, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 13, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 13, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Apr 11, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 24, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 24, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 04, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 12, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 07, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Dec 06, 2016

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 06, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL WRITTEN

Oct 07, 2016

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Oct 07, 2016

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Oct 07, 2016

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 12, 2016

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 12, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 12, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Sep 06, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 06, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 06, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 31, 2016

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

May 25, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 24, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 21, 2016

NEW APPLICATION ENTERED

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