Who owns the CITADEL trademark?

The CITADEL trademark is owned by North American Lubricants Company.

What class is the CITADEL trademark registered in?

The CITADEL trademark is registered in Class 004 (Industrial oils, fuels, lubricants & candles).

What is the serial number for CITADEL?

The USPTO serial number for CITADEL is 88837591.

What is the registration number for CITADEL?

CITADEL is registered under USPTO registration number 6155421.

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Updated Oct 8, 2026·17 searches this week

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CIT

USPTO Trademark Record

REGISTERED

CITADEL

SN 88837591·Reg 6155421·Filed Mar 17, 2020

Owner North American Lubricants Company

Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; candles and wicks for lighting.

CITADEL (Serial No. 88837591), Registration No. 6155421, is a registered US trademark filed on Mar 17, 2020 by North American Lubricants Company. This trademark covers Class 004 (Industrial oils, fuels, lubricants & candles).

Section 8/9 declaration window: September 16, 2030

Mark Intelligence

CITADEL (Reg. #6155421) is a registered US trademark that has been protecting its owner, North American Lubricants Company, since 2020. The mark covers Class 004 (Industrial oils, fuels, lubricants & candles). Goods and services include Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; c.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 17, 2020

SERIAL

88837591

REG#

6155421

REGISTERED

Sep 15, 2020

Filing Information

StatusREGISTERED

Filing DateMar 17, 2020

Serial Number88837591

Registration No.6155421

Registration DateSep 15, 2020

Status DateSep 15, 2020

Published for OppositionMay 26, 2020

Filing Basis & Declarations

Use Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 004Industrial oils, fuels, lubricants & candles

US codes: 001, 006, 015

First use anywhere: Mar 31, 2020

First use in commerce: Mar 31, 2020

Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; candles and wicks for lighting.

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

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Status History

23 events

TEAS SECTION 8 & 15 RECEIVED

Aug 06, 2026

TEAS SECTION 8 & 15 RECEIVED

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

Sep 15, 2025

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

REGISTERED-PRINCIPAL REGISTER

Sep 15, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 12, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Aug 11, 2020

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Aug 11, 2020

STATEMENT OF USE PROCESSING COMPLETE

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 11, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

TEAS STATEMENT OF USE RECEIVED

Jul 29, 2020

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jul 29, 2020

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jul 21, 2020

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

May 26, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 26, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 06, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Apr 20, 2020

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Apr 09, 2020

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Apr 09, 2020

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Apr 09, 2020

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Apr 09, 2020

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 09, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 03, 2020

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Mar 24, 2020

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 21, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 20, 2020

NEW APPLICATION ENTERED

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Additional USPTO filings handled by the same attorney of record.

PUR

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Other Marks in Class 004 — Industrial oils, fuels, lubricants & candles

Other Marks by Philip R. Zender, Esq.

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