Who owns the SEFCO trademark?

The SEFCO trademark is owned by Sefco, LLC.

What class is the SEFCO trademark registered in?

The SEFCO trademark is registered in Class 037 (Construction, installation & repair services).

What is the serial number for SEFCO?

The USPTO serial number for SEFCO is 88861672.

What is the registration number for SEFCO?

SEFCO is registered under USPTO registration number 6193735.

Sealvo

Home Search: SEFCOSEFCO #88861672

Back

Updated Sep 23, 2026·18 searches this week

View on USPTO TSDR Find similar marks

SEF

USPTO Trademark Record

REGISTERED

SEFCO

SN 88861672·Reg 6193735·Filed Apr 06, 2020

Owner Sefco, LLC

Construction services; installation and repair services; mining extraction, oil and gas drilling.

SEFCO (Serial No. 88861672), Registration No. 6193735, is a registered US trademark filed on Apr 06, 2020 by Sefco, LLC. This trademark covers Class 037 (Construction, installation & repair services).

Renewal window: November 10, 202647 days remaining

Conflict Analysis

Full conflict analysis for SEFCO (SN 88861672) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SEFCO (Reg. #6193735) is a registered US trademark that has been protecting its owner, Sefco, LLC, since 2020. The mark covers Class 037 (Construction, installation & repair services). Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.. The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 06, 2020

SERIAL

88861672

REG#

6193735

REGISTERED

Nov 10, 2020

Filing Information

StatusREGISTERED

Filing DateApr 06, 2020

Serial Number88861672

Registration No.6193735

Registration DateNov 10, 2020

Status DateNov 10, 2020

Published for OppositionAug 25, 2020

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jan 01, 2019

First use in commerce: Jan 01, 2019

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

16 events

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Nov 10, 2025

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Nov 10, 2020

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 25, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 25, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 05, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 23, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 17, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 17, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jul 15, 2020

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 02, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Jun 29, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 29, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 29, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 24, 2020

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 14, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 09, 2020

NEW APPLICATION ENTERED

Other Marks by Sefco, LLC

Additional USPTO filings from the same owner.

SEF

SEFCO

88660984

Sefco, LLC

REGISTERED

SEFCO

Run a conflict check

Other Marks by Sefco, LLC

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company