Storage battery

Chemistry: electrical current producing apparatus – product – and – With measuring – testing – or indicating means – For charge or liquid level

Reexamination Certificate

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Details

C429S163000, C429S186000

Reexamination Certificate

active

06872488

ABSTRACT:
A storage battery includes a battery casing, a cover closing an opening of said battery casing, and a thinner see-through window portion provided on a sidewall of battery casing for visual recognition, from the outside, of a level of electrolyte contained in battery casing. A rib for reinforcement is provided at see-through window portion.

REFERENCES:
patent: 1012298 (1911-12-01), Tormin
patent: 4076906 (1978-02-01), Jensen
patent: 0299670 (1989-01-01), None
patent: 51-114641 (1976-10-01), None
patent: 52-114235 (1977-08-01), None
patent: 52-119013 (1977-09-01), None
patent: 02008859 (1990-01-01), None

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