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AUTO WARM-UP THEFT PREVENTING APPARATUS

  • US 3,850,260 A
  • Filed: 02/12/1973
  • Issued: 11/26/1974
  • Est. Priority Date: 02/12/1973
  • Status: Expired due to Term
First Claim
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1. A theft preventing apparatus, comprising:

  • a. a power supply, b. a first switch member connected to said power supply to receive current therefrom, c. a second switch member connected to said power supply to receive current therefrom, d. a control circuit connected to said first switch member and said second switch member and connected to an ignition circuit for energization of a vehicle, e. said control circuit having a third switch member, a fourth switch member, and a fifth switch member f. means for passing current from said first switch member to said third switch member to said ignition circuit;

    from said first switch member To said fourth switch member to said ignition circuit; and

    from said second switch member to said fifth switch member to said fourth switch member, whereby, under one set of conditions, said first switch member is operable in closed condition to energize said ignition circuit for normal vehicle operation and, under a second set of conditions, said third switch member in the opened condition with said first switch member and said fourth switch member in the closed condition operate to energize said ignition circuit and, under a third set of conditions, operation of said second switch member operates to open said fourth switch member and de-energize said ignition circuit.

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