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.
Patent No.:
Date of Patent:
Mar. 10, 1992
Filed:
Aug. 06, 1991
Applicant:
Inventors:
William E Nagengast, Anderson, IN (US);
David R McMahan, Anderson, IN (US);
Philip C Filosa, Indianapolis, IN (US);
Harry L Kirchenbauer, Anderson, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; F21M / ;
U.S. Cl.
CPC ...
362 61 ; 362294 ;
Abstract
A retainer arrangement for a replaceable lamp bulb assembly that cooperates with a vent formed in the reflector body of a headlamp for establishing a labyrinth type flow path for air to enter and exit the interior of the headlamp.