Who owns the SIGMA CHI trademark?

The SIGMA CHI trademark is owned by MAXWELL INC..

What class is the SIGMA CHI trademark registered in?

The SIGMA CHI trademark is registered in Class 025 (Clothing, footwear & headgear).

What is the serial number for SIGMA CHI?

The USPTO serial number for SIGMA CHI is 77231771.

What is the registration number for SIGMA CHI?

SIGMA CHI is registered under USPTO registration number 3398093.

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Updated Oct 13, 2026·22 searches this week

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SIG

USPTO Trademark Record

REGISTERED

SIGMA CHI

SN 77231771·Reg 3398093·Filed Jul 17, 2007

Owner MAXWELL INC.

Clothing, footwear, headwear.

SIGMA CHI (Serial No. 77231771), Registration No. 3398093, is a registered US trademark filed on Jul 17, 2007 by MAXWELL INC.. This trademark covers Class 025 (Clothing, footwear & headgear).

Section 8/9 declaration window: March 20, 2028

Mark Intelligence

SIGMA CHI (Reg. #3398093) is a registered US trademark that has been protecting its owner, MAXWELL INC., since 2007. The mark covers Class 025 (Clothing, footwear & headgear). Goods and services include Clothing, footwear, headwear.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 17, 2007

SERIAL

77231771

REG#

3398093

REGISTERED

Mar 18, 2008

Filing Information

StatusREGISTERED

Filing DateJul 17, 2007

Serial Number77231771

Registration No.3398093

Registration DateMar 18, 2008

Status DateMay 17, 2017

Published for OppositionJan 01, 2008

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Nov 30, 1959

First use in commerce: Nov 30, 1959

Clothing, footwear, headwear.

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

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Status History

24 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 19, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Sep 28, 2022

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 17, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 17, 2017

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 17, 2017

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

May 17, 2017

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

TEAS SECTION 8 & 9 RECEIVED

Mar 22, 2017

TEAS SECTION 8 & 9 RECEIVED

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

Mar 18, 2017

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 02, 2013

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Apr 02, 2013

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

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

Apr 02, 2013

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

TEAS SECTION 8 & 15 RECEIVED

Mar 18, 2013

TEAS SECTION 8 & 15 RECEIVED

REGISTERED-PRINCIPAL REGISTER

Mar 18, 2008

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 01, 2008

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Dec 12, 2007

NOTICE OF PUBLICATION

ASSIGNED TO LIE

Nov 28, 2007

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 28, 2007

LAW OFFICE PUBLICATION REVIEW COMPLETED

EXAMINERS AMENDMENT -WRITTEN

Oct 24, 2007

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 24, 2007

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 24, 2007

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 24, 2007

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 24, 2007

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 22, 2007

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Jul 23, 2007

NEW APPLICATION ENTERED

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