The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 1993

Filed:

Dec. 31, 1991
Applicant:
Inventors:

David Hall, Auburn, AL (US);

James Hunt, Tucker, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 33 ; 252 35 ; 252 / ;
Abstract

Lubricants and lubricant additive compositions which contain as essential ingredients mineral oil and a metallic acid soap. The compositions improve engine efficiency and provide a protective film over sand and grit to prevent engine wear and stoppage.


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