Who owns the I.SERIES trademark?

The I.SERIES trademark is owned by HELMER SCIENTIFIC, LLC.

What class is the I.SERIES trademark registered in?

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

What is the serial number for I.SERIES?

The USPTO serial number for I.SERIES is 78366333.

What is the registration number for I.SERIES?

I.SERIES is registered under USPTO registration number 2947880.

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ISE

USPTO Trademark Record

REGISTERED

I.SERIES

SN 78366333·Reg 2947880·Filed Feb 11, 2004

Owner HELMER SCIENTIFIC, LLC

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

I.SERIES (Serial No. 78366333), Registration No. 2947880, is a registered US trademark filed on Feb 11, 2004 by HELMER SCIENTIFIC, LLC. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: May 10, 2035

Conflict Analysis

Full conflict analysis for I.SERIES (SN 78366333) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

I.SERIES (Reg. #2947880) is a registered US trademark that has been protecting its owner, HELMER SCIENTIFIC, LLC, since 2004. 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 11, 2004

SERIAL

78366333

REG#

2947880

REGISTERED

May 10, 2005

Filing Information

StatusREGISTERED

Filing DateFeb 11, 2004

Serial Number78366333

Registration No.2947880

Registration DateMay 10, 2005

Status DateSep 09, 2025

Published for OppositionOct 12, 2004

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: May 30, 2001

First use in commerce: May 30, 2001

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

36 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 09, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Sep 09, 2025

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Sep 09, 2025

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Sep 09, 2025

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 25, 2025

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS SECTION 8 & 9 RECEIVED

May 09, 2025

TEAS SECTION 8 & 9 RECEIVED

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

May 10, 2024

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 15, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 06, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Oct 06, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 06, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 06, 2020

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 06, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 06, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jan 25, 2015

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 23, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jan 23, 2015

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jan 23, 2015

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Jan 06, 2015

TEAS SECTION 8 & 9 RECEIVED

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

Dec 29, 2010

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

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Dec 28, 2010

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Dec 28, 2010

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 02, 2010

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Dec 02, 2010

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

TEAS SECTION 8 & 15 RECEIVED

Nov 12, 2010

TEAS SECTION 8 & 15 RECEIVED

REGISTERED-PRINCIPAL REGISTER

May 10, 2005

REGISTERED-PRINCIPAL REGISTER

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Mar 12, 2005

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 07, 2005

TEAS CHANGE OF CORRESPONDENCE RECEIVED

EXTENSION OF TIME TO OPPOSE RECEIVED

Nov 19, 2004

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Oct 12, 2004

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 22, 2004

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Aug 13, 2004

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Aug 12, 2004

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 02, 2004

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 15, 2004

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Feb 24, 2004

NEW APPLICATION ENTERED

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