Who owns the C 350 trademark?

The C 350 trademark is owned by WESTERN EXCELSIOR CORPORATION.

What class is the C 350 trademark registered in?

The C 350 trademark is registered in Class 019 (Non-metallic building materials).

What is the serial number for C 350?

The USPTO serial number for C 350 is 74469635.

What is the registration number for C 350?

C 350 is registered under USPTO registration number 1932171.

Sealvo

Home Search: C 350C 350 #74469635

Back

Updated Sep 19, 2026·32 searches this week

View on USPTO TSDR Find similar marks

C35

USPTO Trademark Record

REGISTERED

C 350

SN 74469635·Reg 1932171·Filed Dec 14, 1993

Owner WESTERN EXCELSIOR CORPORATION

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

C 350 (Serial No. 74469635), Registration No. 1932171, is a registered US trademark filed on Dec 14, 1993 by WESTERN EXCELSIOR CORPORATION. This trademark covers Class 019 (Non-metallic building materials).

Section 8/9 declaration window: October 31, 2035

Conflict Analysis

Full conflict analysis for C 350 (SN 74469635) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C 350 (Reg. #1932171) is a registered US trademark that has been protecting its owner, WESTERN EXCELSIOR CORPORATION, since 1993. The mark covers Class 019 (Non-metallic building materials). Goods and services include Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 14, 1993

SERIAL

74469635

REG#

1932171

REGISTERED

Oct 31, 1995

Filing Information

StatusREGISTERED

Filing DateDec 14, 1993

Serial Number74469635

Registration No.1932171

Registration DateOct 31, 1995

Status DateJan 27, 2026

Published for OppositionSep 20, 1994

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 019Non-metallic building materials

US codes: 001, 012, 033, 050

First use anywhere: Dec 31, 1993

First use in commerce: Dec 31, 1993

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

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

44 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 13, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Jan 27, 2026

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jan 27, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Jan 27, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 26, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Oct 22, 2025

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 15, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Oct 31, 2024

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 05, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 08, 2015

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 08, 2015

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 22, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 22, 2015

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

May 22, 2015

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

May 22, 2015

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

TEAS SECTION 8 & 9 RECEIVED

May 06, 2015

TEAS SECTION 8 & 9 RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 20, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 13, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Aug 05, 2013

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 05, 2013

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 16, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 09, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 02, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

ASSIGNED TO PARALEGAL

May 26, 2005

ASSIGNED TO PARALEGAL

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

May 26, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 26, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Apr 01, 2005

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Apr 01, 2005

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

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

Aug 02, 2001

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

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

Jun 11, 2001

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

REGISTERED-PRINCIPAL REGISTER

Oct 31, 1995

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 08, 1995

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

EXAMINERS AMENDMENT -WRITTEN

Aug 04, 1995

EXAMINERS AMENDMENT -WRITTEN

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Aug 03, 1995

PREVIOUS ALLOWANCE COUNT WITHDRAWN

ASSIGNED TO EXAMINER

Jul 26, 1995

ASSIGNED TO EXAMINER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 26, 1995

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Jul 22, 1995

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Jun 12, 1995

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Dec 13, 1994

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 20, 1994

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Aug 19, 1994

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

May 25, 1994

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 14, 1994

ASSIGNED TO EXAMINER

May 13, 1994

ASSIGNED TO EXAMINER

Other Marks by WESTERN EXCELSIOR CORPORATION

Additional USPTO filings from the same owner.

S15

S150BN

86508392

WESTERN EXCELSIOR CORPORATION

REGISTERED

WEH

WE HAVE YOU COVERED

88355272

WESTERN EXCELSIOR CORPORATION

REGISTERED

WES

WESTERN GREEN

98531491

Western Excelsior Corporation

REGISTERED

BIO

BIONET

74439889

WESTERN EXCELSIOR CORPORATION

REGISTERED

Other Marks in Class 019 — Non-metallic building materials

Recently filed and registered marks in the same international class.

GC3

GC-350

87634438

Mitchell Products

REGISTERED

THE

THERMOTRON 350

86783477

Mark Industries, Inc.

REGISTERED

THE

THERMOTRON 350

86779972

Mark Industries, Inc.

REGISTERED

ABS

ABSORB 350

76216152

LINDSAY TRANSPORTATION SOLUTIONS, LLC

REGISTERED

Other Marks by E. Eric Mills

Additional USPTO filings handled by the same attorney of record.

CLE

CLEAR CONFIDENT COMMUNICATION

88424893

REGISTERED

SPE

SPEECHMOD

88424934

REGISTERED

BAE

BAEBIES

86580936

REGISTERED

GOL

GOLDEN GROVE

98898593

REGISTERED

C 350

Run a conflict check

Other Marks by WESTERN EXCELSIOR CORPORATION

Other Marks in Class 019 — Non-metallic building materials

Other Marks by E. Eric Mills

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company