Trademark Overview

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On Thursday, April 29, 1948, a trademark application was filed for OB with the United States Patent and Trademark Office. The USPTO has given the OB trademark a serial number of 71555834. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by OIL BASE, INC.. The OB trademark is filed in the Chemical Products category with the following description:

OIL WELL DRILLING FLUID

General Information

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Serial Number	71555834
Word Mark	OB
Filing Date	Thursday, April 29, 1948
Status	900 - EXPIRED
Status Date	Tuesday, November 3, 1992
Registration Number	0524984
Registration Date	Tuesday, May 9, 1950
Mark Drawing	5W23 - Drawing with word(s) / letter(s) / number(s) in Stylized form
Published for Opposition Date	NOT AVAILABLE

Trademark Statements

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Goods and Services

OIL WELL DRILLING FLUID

Classification Information

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International Class	001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
US Class Codes	012
Class Status Code	9 - Expired
Class Status Date	Tuesday, November 3, 1992
Primary Code	012
First Use Anywhere Date	Wednesday, June 24, 1942
First Use In Commerce Date	Wednesday, August 5, 1942

Trademark Owner History

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Party Name	OIL BASE, INC.
Party Type	30 - Original Registrant
Legal Entity Type	03 - Corporation
Address	COMPTON, CA

Trademark Events

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Event Date	Event Description
Tuesday, November 3, 1992	EXPIRED SEC. 9
Saturday, May 9, 1970	REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Related Keywords

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fluid drilling well