Who owns the SILFLEX trademark?

The SILFLEX trademark is owned by HBD/Thermoid, Inc..

What class is the SILFLEX trademark registered in?

The SILFLEX trademark is registered in Class 017 (Rubber, plastics & insulating materials).

What is the serial number for SILFLEX?

The USPTO serial number for SILFLEX is 87289509.

What is the registration number for SILFLEX?

SILFLEX is registered under USPTO registration number 5270306.

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Home Search: SILFLEXSILFLEX #87289509

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Updated Sep 19, 2026·21 searches this week

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SIL

USPTO Trademark Record

REGISTERED

SILFLEX

SN 87289509·Reg 5270306·Filed Jan 04, 2017

Owner HBD/Thermoid, Inc.

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

SILFLEX (Serial No. 87289509), Registration No. 5270306, is a registered US trademark filed on Jan 04, 2017 by HBD/Thermoid, Inc.. This trademark covers Class 017 (Rubber, plastics & insulating materials).

renewal 10y period: August 23, 2027338 days remaining

Conflict Analysis

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Mark Intelligence

SILFLEX (Reg. #5270306) is a registered US trademark that has been protecting its owner, HBD/Thermoid, Inc., since 2017. The mark covers Class 017 (Rubber, plastics & insulating materials). Goods and services include Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plasti.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 04, 2017

SERIAL

87289509

REG#

5270306

REGISTERED

Aug 22, 2017

Filing Information

StatusREGISTERED

Filing DateJan 04, 2017

Serial Number87289509

Registration No.5270306

Registration DateAug 22, 2017

Status DateJun 02, 2023

Published for OppositionJun 06, 2017

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 017Rubber, plastics & insulating materials

US codes: 001, 005, 012, 013, 035, 050

First use anywhere: Aug 04, 1971

First use in commerce: Aug 04, 1971

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

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Status History

23 events

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

Sep 23, 2025

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 23, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Sep 23, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 23, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Jun 02, 2023

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 02, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 02, 2023

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

TEAS SECTION 8 & 15 RECEIVED

Nov 23, 2022

TEAS SECTION 8 & 15 RECEIVED

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

Aug 22, 2022

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

REGISTERED-PRINCIPAL REGISTER

Aug 22, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 06, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 06, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 17, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

May 04, 2017

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Apr 26, 2017

ASSIGNED TO LIE

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 28, 2017

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 28, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT ENTERED

Mar 28, 2017

EXAMINER'S AMENDMENT ENTERED

EXAMINERS AMENDMENT -WRITTEN

Mar 28, 2017

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 28, 2017

EXAMINERS AMENDMENT E-MAILED

ASSIGNED TO EXAMINER

Mar 27, 2017

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 12, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 07, 2017

NEW APPLICATION ENTERED

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