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Foaling alert method and apparatus

  • US 4,147,160 A
  • Filed: 07/15/1977
  • Issued: 04/03/1979
  • Est. Priority Date: 07/15/1977
  • Status: Expired due to Term
First Claim
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1. A foaling alert device comprising a housing, a miniature wireless transmitter in said housing, normally closed switch means carried by said housing connected to said transmitter for activating and deactivating the latter, a switch operator movable toward said housing into switch opening engagement with said switch means and away from said housing out of engagement with said switch means to close the latter, attachment means connected to each of said housing and switch operator for attaching the same to respective sides of the female genital cavity, and separable retaining means secured to each of said housing and switch operator and releasably connected together to releasably retain said housing and switch operator toward each other in said switch opening engagement, for release of said retaining means and movement of said housing and switch operator away from each other to switch closing position upon opening of the genital cavity.

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