Battery lid with integral thick boss surrounding a terminal...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

Reexamination Certificate

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Details

C429S176000

Reexamination Certificate

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08003248

ABSTRACT:
An improved lid for closing the open end of a casing of an electrochemical energy storage device is described. The improved lid comprises a flat region having spaced apart upper and lower planar surfaces joined by a peripheral edge, an angled transition forming a boss protruding from the lower surface, and a bore extending through the boss to the upper surface. An electrical energy storage device is also described, which includes the improved lid secured to the open end of the casing container of the device.

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European Search Report, Jan. 21, 2009.

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