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:
Jul. 03, 1984
Filed:
Nov. 15, 1982
Applicant:
Inventor:
Ralph H Feldhake, Verona, WI (US);
Assignee:
Rayovac Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429174 ; 429185 ;
Abstract
A lithium cell having an improved seal. A polymeric grommet sandwiched between a conductive can and cover is wetted with atatic polypropylene. The tacky atatic polypropylene film fills the intersticies between and along the grommet and can components to reduce cell leakage.