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:
Dec. 19, 2000
Filed:
Mar. 22, 1999
Richard J Shaw, Hartland, WI (US);
Other;
Abstract
This invention discloses, as a manufacture, a vehicle O ring fuel cap gasket having a diagonally inverted modified C shape cross section and a groove extending for the full circumference of the O ring and in cross section the groove edges extend downward, with one or first edge extending downward to about 4 o'clock position and the other or second edge extending downward to about 7:30 o'clock, to provide a groove opening extending diagonally upwards for a depth of about 2.2.times. to about 2.5.times. the thickness T-T' of the back of the C shape, and optional ridges on the outer circumference, the inner circumference, or the top of the O ring, and the O ring formed of an elastomer having a Shore A hardness about 50 to 60 and ultimate elongation range of 200% to 315%.