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Solar powered portable calculator

  • US 4,017,725 A
  • Filed: 01/03/1975
  • Issued: 04/12/1977
  • Est. Priority Date: 01/03/1975
  • Status: Expired due to Term
First Claim
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1. A portable calculator comprising:

  • a housing having a keyboard and indicator means thereon;

    solar panel means; and

    means for allowing movement of said solar panel means, coupled to said housing, from a first position within said housing to a second position exposing said solar panel means, comprising a rail-channel guide means for slidably moving said solar panel means.

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