Who owns the CLEAN STACK trademark?

The CLEAN STACK trademark is owned by MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION.

What class is the CLEAN STACK trademark registered in?

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

What is the serial number for CLEAN STACK?

The USPTO serial number for CLEAN STACK is 78216906.

What is the registration number for CLEAN STACK?

CLEAN STACK is registered under USPTO registration number 3146154.

Sealvo

Home Search: CLEAN STACKCLEAN STACK #78216906

Back

Updated Oct 27, 2026·41 searches this week

View on USPTO TSDR Find similar marks

CLE

USPTO Trademark Record

REGISTERED

CLEAN STACK

SN 78216906·Reg 3146154·Filed Feb 20, 2003

Owner MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION

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

CLEAN STACK (Serial No. 78216906), Registration No. 3146154, is a registered US trademark filed on Feb 20, 2003 by MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

renewal grace 20y period: March 19, 2027142 days remaining

Mark Intelligence

CLEAN STACK (Reg. #3146154) is a registered US trademark that has been protecting its owner, MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION, since 2003. 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

Feb 20, 2003

SERIAL

78216906

REG#

3146154

REGISTERED

Sep 19, 2006

Filing Information

StatusREGISTERED

Filing DateFeb 20, 2003

Serial Number78216906

Registration No.3146154

Registration DateSep 19, 2006

Status DateJun 23, 2016

Published for OppositionOct 11, 2005

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: Jun 20, 2006

First use in commerce: Jun 20, 2006

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.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

42 events

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

Sep 19, 2025

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Nov 06, 2019

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 23, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 23, 2016

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 23, 2016

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jun 23, 2016

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

TEAS SECTION 8 & 9 RECEIVED

Apr 04, 2016

TEAS SECTION 8 & 9 RECEIVED

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

Sep 19, 2015

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 18, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Feb 18, 2012

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

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

Feb 18, 2012

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

TEAS SECTION 8 & 15 RECEIVED

Jan 09, 2012

TEAS SECTION 8 & 15 RECEIVED

REGISTERED-PRINCIPAL REGISTER

Sep 19, 2006

REGISTERED-PRINCIPAL REGISTER

LAW OFFICE REGISTRATION REVIEW COMPLETED

Aug 02, 2006

LAW OFFICE REGISTRATION REVIEW COMPLETED

ASSIGNED TO LIE

Jul 28, 2006

ASSIGNED TO LIE

SU-EXAMINER'S AMENDMENT WRITTEN

Jul 16, 2006

SU-EXAMINER'S AMENDMENT WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jul 16, 2006

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jul 16, 2006

EXAMINER'S AMENDMENT ENTERED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 16, 2006

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Jul 14, 2006

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Jun 21, 2006

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 21, 2006

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Jan 03, 2006

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 11, 2005

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 21, 2005

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jun 29, 2005

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Jun 24, 2005

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 22, 2005

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 22, 2005

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 22, 2005

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 20, 2005

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION E-MAILED

Dec 21, 2004

NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Dec 21, 2004

NON-FINAL ACTION WRITTEN

TEAS PETITION TO REVIVE RECEIVED

Dec 20, 2004

TEAS PETITION TO REVIVE RECEIVED

PETITION TO REVIVE-GRANTED

Dec 20, 2004

PETITION TO REVIVE-GRANTED

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

Dec 03, 2004

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

Dec 03, 2004

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

NON-FINAL ACTION E-MAILED

May 05, 2004

NON-FINAL ACTION E-MAILED

PAPER RECEIVED

Feb 18, 2004

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 17, 2004

CORRESPONDENCE RECEIVED IN LAW OFFICE

ASSIGNED TO EXAMINER

Aug 16, 2003

ASSIGNED TO EXAMINER

NON-FINAL ACTION E-MAILED

Aug 16, 2003

NON-FINAL ACTION E-MAILED

Other Marks by MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION

Additional USPTO filings from the same owner.

MET

85662457

Marsulex Environmental Technologies Corporation

REGISTERED

MET

MET MARSULEX ENVIRONMENTAL TECHNOLOGIES

85662372

Marsulex Environmental Technologies Corporation

ABANDONED

ALR

ALRD

86743677

MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION

ABANDONED

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Recently filed and registered marks in the same international class.

DRO

DROP STACK

76626835

EIKLOR FLAMES, LLC

REGISTERED

STA

STACK LIGHT

97859030

LuxTech, LLC

REGISTERED

EAS

EASY-STACK

97979441

IDEC CORPORATION

REGISTERED

THE

THERMO-STACK

78739958

Thermo-Stack, LLC

REGISTERED

Other Marks by Domenica N.S. Hartman

Additional USPTO filings handled by the same attorney of record.

LOA

LOAD NUT

86623740

REGISTERED

TAS

TASTE LIFE

90266077

REGISTERED

TAC

TACO RICA

99669383

REGISTERED

IFL

IFLY

98979062

REGISTERED

CLEAN STACK

Run a conflict check

Other Marks by MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Other Marks by Domenica N.S. Hartman

Get pre-filing clearance

Search 14M+ trademarks

Industries

USPTO Deadlines

Compare

Resources

Company