Vacuum battery indicator

Details Vacuum battery indicator Vacuum battery indicator

1995-11-03

1996-08-13

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

429116, H01M 1048, H01M 638

Patent

active

055454933

ABSTRACT:
Enclosure (28) of vacuum battery (10) includes a vacuum spring indicator (21). In a first position (23) of vacuum spring indicator (21) an indication is made that a sufficient vacuum has been drawn within enclosure (28). By a second position (24) of vacuum spring indicator (21), and indication is made that no vacuum exists within enclosure (28) and battery (10) is not operational.

REFERENCES:
patent: 4699854 (1987-10-01), Snyder
patent: 4861686 (1989-08-01), Snyder

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