Who owns the DURAPURE trademark?

The DURAPURE trademark is owned by KOCH FILTER CORPORATION.

What class is the DURAPURE trademark registered in?

The DURAPURE trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for DURAPURE?

The USPTO serial number for DURAPURE is 85111547.

What is the registration number for DURAPURE?

DURAPURE is registered under USPTO registration number 4110885.

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DUR

USPTO Trademark Record

REGISTERED

DURAPURE

SN 85111547·Reg 4110885·Filed Aug 19, 2010

Owner KOCH FILTER CORPORATION

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

DURAPURE (Serial No. 85111547), Registration No. 4110885, is a registered US trademark filed on Aug 19, 2010 by KOCH FILTER CORPORATION. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: March 15, 2032

Conflict Analysis

Full conflict analysis for DURAPURE (SN 85111547) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DURAPURE (Reg. #4110885) is a registered US trademark that has been protecting its owner, KOCH FILTER CORPORATION, since 2010. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 19, 2010

SERIAL

85111547

REG#

4110885

REGISTERED

Mar 13, 2012

Filing Information

StatusREGISTERED

Filing DateAug 19, 2010

Serial Number85111547

Registration No.4110885

Registration DateMar 13, 2012

Status DateApr 19, 2022

Published for OppositionDec 27, 2011

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Dec 31, 1997

First use in commerce: Dec 31, 1997

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

61 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 29, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 02, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 26, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 01, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 11, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 11, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 11, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 11, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 11, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 29, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 29, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 29, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 29, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 29, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 19, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Apr 19, 2022

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Apr 19, 2022

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Apr 19, 2022

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

TEAS SECTION 8 & 9 RECEIVED

Dec 20, 2021

TEAS SECTION 8 & 9 RECEIVED

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

Mar 13, 2021

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

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

Sep 05, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 05, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Feb 19, 2019

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Feb 19, 2019

WITHDRAWAL OF ATTORNEY GRANTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 02, 2018

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 02, 2018

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

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

May 02, 2018

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

TEAS SECTION 8 & 15 RECEIVED

Apr 23, 2018

TEAS SECTION 8 & 15 RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Apr 12, 2018

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Apr 12, 2018

WITHDRAWAL OF ATTORNEY GRANTED

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

Mar 13, 2017

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

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

Mar 18, 2015

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 18, 2015

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 25, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 21, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 14, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Mar 13, 2012

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Dec 27, 2011

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 27, 2011

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 07, 2011

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 19, 2011

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Nov 16, 2011

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Oct 24, 2011

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 24, 2011

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 24, 2011

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 24, 2011

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 24, 2011

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Mar 27, 2011

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 27, 2011

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 27, 2011

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 25, 2011

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 24, 2011

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 24, 2011

CORRESPONDENCE RECEIVED IN LAW OFFICE

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jan 05, 2011

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

ASSIGNED TO EXAMINER

Sep 24, 2010

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Sep 24, 2010

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 24, 2010

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 24, 2010

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NOTICE OF PSEUDO MARK MAILED

Aug 25, 2010

NOTICE OF PSEUDO MARK MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 24, 2010

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 23, 2010

NEW APPLICATION ENTERED

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