Who owns the EF trademark?

The EF trademark is owned by NALCO COMPANY.

What class is the EF trademark registered in?

The EF trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for EF?

The USPTO serial number for EF is 85548376.

What is the registration number for EF?

EF is registered under USPTO registration number 4597604.

Sealvo

Home Search: EFEF #85548376

Back

Updated Oct 25, 2026·39 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

ABANDONED

EF

SN 85548376·Reg 4597604·Filed Feb 21, 2012

Owner NALCO COMPANY

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

EF (Serial No. 85548376), Registration No. 4597604, is a abandoned US trademark filed on Feb 21, 2012 by NALCO COMPANY. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Mark Intelligence

EF (Reg. #4597604) is an abandoned US trademark that was filed in 2012 but has since been abandoned. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 21, 2012

SERIAL

85548376

REG#

4597604

REGISTERED

Sep 02, 2014

Filing Information

StatusABANDONED

Filing DateFeb 21, 2012

Serial Number85548376

Registration No.4597604

Registration DateSep 02, 2014

Status DateApr 09, 2021

Published for OppositionJan 08, 2013

Filing Basis & Declarations

Use Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: Feb 28, 2012

First use in commerce: Feb 28, 2012

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

52 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 10, 2025

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CANCELLED SEC. 8 (6-YR)

Apr 09, 2021

CANCELLED SEC. 8 (6-YR)

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 01, 2020

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Sep 02, 2019

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

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

Oct 15, 2015

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 15, 2015

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Sep 02, 2014

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 01, 2014

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

SU-EXAMINER'S AMENDMENT WRITTEN

Jul 31, 2014

SU-EXAMINER'S AMENDMENT WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jul 31, 2014

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jul 31, 2014

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jul 31, 2014

EXAMINER'S AMENDMENT ENTERED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 31, 2014

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Jul 29, 2014

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 29, 2014

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 29, 2014

TEAS/EMAIL CORRESPONDENCE ENTERED

SU - FINAL REFUSAL - WRITTEN

Jul 28, 2014

SU - FINAL REFUSAL - WRITTEN

FINAL REFUSAL E-MAILED

Jul 28, 2014

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Jul 28, 2014

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 25, 2014

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 25, 2014

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 25, 2014

TEAS/EMAIL CORRESPONDENCE ENTERED

STATEMENT OF USE PROCESSING COMPLETE

Jul 17, 2014

STATEMENT OF USE PROCESSING COMPLETE

SU - NON-FINAL ACTION - WRITTEN

Jul 17, 2014

SU - NON-FINAL ACTION - WRITTEN

NON-FINAL ACTION E-MAILED

Jul 17, 2014

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 17, 2014

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS STATEMENT OF USE RECEIVED

Jul 03, 2014

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jul 03, 2014

USE AMENDMENT FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 12, 2014

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 1 GRANTED

Feb 11, 2014

SOU EXTENSION 1 GRANTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Feb 09, 2014

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU TEAS EXTENSION RECEIVED

Jan 09, 2014

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jan 09, 2014

SOU EXTENSION 1 FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jul 09, 2013

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

May 24, 2013

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

EXTENSION OF TIME TO OPPOSE RECEIVED

Jan 30, 2013

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Jan 08, 2013

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 08, 2013

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 19, 2012

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Dec 01, 2012

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Dec 01, 2012

LAW OFFICE PUBLICATION REVIEW COMPLETED

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 15, 2012

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 15, 2012

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 14, 2012

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 14, 2012

CORRESPONDENCE RECEIVED IN LAW OFFICE

PRIORITY ACTION WRITTEN

May 30, 2012

PRIORITY ACTION WRITTEN

PRIORITY ACTION E-MAILED

May 30, 2012

PRIORITY ACTION E-MAILED

NOTIFICATION OF PRIORITY ACTION E-MAILED

May 30, 2012

NOTIFICATION OF PRIORITY ACTION E-MAILED

ASSIGNED TO EXAMINER

May 24, 2012

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE MAILED

Feb 29, 2012

NOTICE OF DESIGN SEARCH CODE MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 28, 2012

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 24, 2012

NEW APPLICATION ENTERED

Other Marks by NALCO COMPANY

Additional USPTO filings from the same owner.

PER

PERFOAM

76339985

NALCO COMPANY

ABANDONED

COR

CORSAHIB

78027210

NALCO COMPANY

ABANDONED

COR

CORSAMINE

78029889

NALCO COMPANY

ABANDONED

BAC

BACTRON

72371200

NALCO COMPANY

ABANDONED

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Recently filed and registered marks in the same international class.

99176549

ElectroFueled, Inc.

PENDING

76588049

ALPHA METALS, INC.

ABANDONED

77241173

Energy Fuels Resources Corporation

ABANDONED

601

601-EF

88673395

Warren Enviromental & Coating, LLC

REGISTERED

Other Marks by Edward R. Courtney

Additional USPTO filings handled by the same attorney of record.

KEY

KEYSTONE

75200571

REGISTERED

SIL

SILVER POWER

73618044

REGISTERED

POW

POWER-OFF

73656503

REGISTERED

PEN

PENNSAN

72024189

REGISTERED

EF

Run a conflict check

Other Marks by NALCO COMPANY

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Other Marks by Edward R. Courtney

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company