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:
Nov. 20, 1990
Filed:
Feb. 07, 1990
Applicant:
Inventors:
Osamu Watanabe, Toyonaka, JP;
Osamu Kajii, Kashiwara, JP;
Yoshiki Somatomo, Osaka, JP;
Kaoru Hisatomi, Takatsuki, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 61 ; 429 94 ; 429194 ;
Abstract
In a cylindrical organic electrolyte battery with a PTC device, the PTC device is attached to the bottom of the battery case through a metal plate so that the upper opening of the battery case can be tightly sealed.