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Substitute battery device

  • US 5,277,993 A
  • Filed: 03/05/1993
  • Issued: 01/11/1994
  • Est. Priority Date: 12/06/1990
  • Status: Expired due to Term
First Claim
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1. A substitute battery device for a battery powered apparatus capable of operating using conventional dry cell DC batteries within a battery compartment, said conventional batteries each having a positive polarity at one end and a negative polarity at the other end, said device comprisingat least one dry cell DC battery;

  • anda permanent magnet sized and positioned within said battery compartment to form an electrical contact with said at least one dry cell DC battery and with said battery compartment.

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