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:
Oct. 08, 1991
Filed:
Apr. 25, 1990
Applicant:
Inventors:
Carl H Sherwood, Brockport, NY (US);
Kenneth W Turner, Webster, NY (US);
Patti S DuBois, Hamlin, NY (US);
Charles H Covert, Manchester, NY (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137587 ; 137907 ; 141 59 ; 141302 ;
Abstract
A tank mounted vapor vent valve is actuated from the filler door by a pair of bellows, a primary bellows operated by the filler door, and a secondary bellows moved by the primary bellows to open and close the valve, joined only by a flexible, easily routed air hose.