Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2005-01-27
2010-02-23
Maples, John S (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S072000, C429S175000, C429S185000
Reexamination Certificate
active
07666548
ABSTRACT:
A can type secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, a can for receiving the electrode assembly therein, and a cap assembly coupled to an opening section of the can. A cap plate is formed with an electrolyte injection hole and a soft aluminum plug welded to the electrolyte injection hole so as to seal the electrolyte injection hole.
REFERENCES:
patent: 6361898 (2002-03-01), Honegger
patent: 6447949 (2002-09-01), Iwata et al.
patent: 2002/0004168 (2002-01-01), Iwata et al.
patent: 2004/0126661 (2004-07-01), Nagayama et al.
patent: 2001-297739 (2001-10-01), None
patent: 2001029156 (2001-04-01), None
Patent Abstracts of Japan for Publication No. 2001-297739; Date of publication of application Oct. 26, 2001, in the name of Harunobu Sumioki et al.
Christie Parker & Hale LLP
Maples John S
Samsung SDI & Co., Ltd.
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