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.

Date of Patent:
Sep. 23, 2003

Filed:

Feb. 11, 2000
Applicant:
Inventors:

Shunji Watanabe, Chiba, JP;

Nobuyoshi Takahashi, Chiba, JP;

Hideharu Onodera, Chiba, JP;

Tsugio Sakai, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/30 ; H01M 2/26 ;
U.S. Cl.
CPC ...
H01M 2/30 ; H01M 2/26 ;
Abstract

A power source element has a positive electrode case, a negative electrode case, and a pair of connecting terminals, each having a first end portion connected to a respective one of the positive and negative electrode cases, a second end portion for connection to a circuit board, and an intermediate portion disposed between the first and second end portions. The intermediate portion of each of the connecting terminals has a weakened region so that the first end portion is separated from the second end portion along a weakened line in the weakened region upon relative movement between the first and second end portions in a give direction.


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