Who owns the QS trademark?

The QS trademark is owned by Delta Refractories, Inc..

What class is the QS trademark registered in?

The QS trademark is registered in Class 019 (Non-metallic building materials).

What is the serial number for QS?

The USPTO serial number for QS is 88126993.

What is the registration number for QS?

QS is registered under USPTO registration number 5803847.

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USPTO Trademark Record

REGISTERED

QS

SN 88126993·Reg 5803847·Filed Sep 21, 2018

Owner Delta Refractories, Inc.

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

QS (Serial No. 88126993), Registration No. 5803847, is a registered US trademark filed on Sep 21, 2018 by Delta Refractories, Inc.. This trademark covers Class 019 (Non-metallic building materials).

Section 8/9 declaration window: July 16, 2029

Conflict Analysis

Full conflict analysis for QS (SN 88126993) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QS (Reg. #5803847) is a registered US trademark that has been protecting its owner, Delta Refractories, Inc., since 2018. The mark covers Class 019 (Non-metallic building materials). Goods and services include Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 21, 2018

SERIAL

88126993

REG#

5803847

REGISTERED

Jul 16, 2019

Filing Information

StatusREGISTERED

Filing DateSep 21, 2018

Serial Number88126993

Registration No.5803847

Registration DateJul 16, 2019

Status DateOct 27, 2025

Published for OppositionApr 30, 2019

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 019Non-metallic building materials

US codes: 001, 012, 033, 050

First use anywhere: Sep 20, 2018

First use in commerce: Sep 20, 2018

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

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

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Status History

26 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 27, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 27, 2025

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

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

Oct 27, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Jun 26, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Aug 07, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 07, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 07, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 16, 2024

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

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

Sep 14, 2021

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 14, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 14, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Jul 16, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Apr 30, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 30, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 10, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Mar 22, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 01, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 28, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 27, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 27, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 03, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION E-MAILED

Jan 03, 2019

NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Jan 03, 2019

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Jan 03, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 28, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 25, 2018

NEW APPLICATION ENTERED

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