Who owns the HARDNESSMASTER trademark?

The HARDNESSMASTER trademark is owned by Scalewatcher North America Inc.

What class is the HARDNESSMASTER trademark registered in?

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

What is the serial number for HARDNESSMASTER?

The USPTO serial number for HARDNESSMASTER is 77522392.

What is the registration number for HARDNESSMASTER?

HARDNESSMASTER is registered under USPTO registration number 3579891.

Sealvo

Home Search: HARDNESSMASTERHARDNESSMASTER #77522392

Back

Updated Sep 23, 2026·18 searches this week

View on USPTO TSDR Find similar marks

HAR

USPTO Trademark Record

REGISTERED

HARDNESSMASTER

SN 77522392·Reg 3579891·Filed Jul 15, 2008

Owner Scalewatcher North America Inc

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

HARDNESSMASTER (Serial No. 77522392), Registration No. 3579891, is a registered US trademark filed on Jul 15, 2008 by Scalewatcher North America Inc. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: February 26, 2029

Conflict Analysis

Full conflict analysis for HARDNESSMASTER (SN 77522392) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HARDNESSMASTER (Reg. #3579891) is a registered US trademark that has been protecting its owner, Scalewatcher North America Inc, since 2008. 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

Jul 15, 2008

SERIAL

77522392

REG#

3579891

REGISTERED

Feb 24, 2009

Filing Information

StatusREGISTERED

Filing DateJul 15, 2008

Serial Number77522392

Registration No.3579891

Registration DateFeb 24, 2009

Status DateMar 22, 2019

Published for OppositionDec 09, 2008

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Feb 15, 2008

First use in commerce: Feb 15, 2008

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

26 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 22, 2019

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 22, 2019

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 22, 2019

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Mar 22, 2019

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

TEAS SECTION 8 & 9 RECEIVED

Feb 20, 2019

TEAS SECTION 8 & 9 RECEIVED

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

Feb 24, 2018

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 31, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 31, 2015

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Aug 31, 2015

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 05, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 RECEIVED

Aug 05, 2015

TEAS SECTION 8 RECEIVED

REGISTERED-PRINCIPAL REGISTER

Feb 24, 2009

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Dec 09, 2008

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Nov 19, 2008

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 06, 2008

APPROVED FOR PUB - PRINCIPAL REGISTER

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 06, 2008

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Nov 05, 2008

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 05, 2008

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 05, 2008

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Oct 23, 2008

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Oct 23, 2008

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 23, 2008

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 23, 2008

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 23, 2008

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NOTICE OF PSEUDO MARK MAILED

Jul 19, 2008

NOTICE OF PSEUDO MARK MAILED

NEW APPLICATION ENTERED

Jul 18, 2008

NEW APPLICATION ENTERED

Other Marks by Scalewatcher North America Inc

Additional USPTO filings from the same owner.

FRY

FRYWATCHER

87106774

Scalewatcher North America Inc.

ABANDONED

SCA

SCALEWIZARD

77256492

Scalewatcher North America Inc

ABANDONED

SMA

SMALLWONDER

77697412

Scalewatcher North America Inc.

ABANDONED

SCA

SCALEWATCHER

78961038

Scalewatcher North America Inc.

ABANDONED

Other Marks by Matthew P. Frederick

Additional USPTO filings handled by the same attorney of record.

INN

INNOVISTA MEDICAL CENTER

98691337

REGISTERED

MAD

MADISON APARTMENT GROUP

78350803

REGISTERED

98691349

REGISTERED

THE

THE ENGINEER'S CHOICE

86640728

REGISTERED

HARDNESSMASTER

Run a conflict check

Other Marks by Scalewatcher North America Inc

Other Marks by Matthew P. Frederick

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company