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Electric heater plate and terminal thereof

  • US 3,895,218 A
  • Filed: 05/02/1974
  • Issued: 07/15/1975
  • Est. Priority Date: 05/02/1974
  • Status: Expired due to Term
First Claim
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1. An electric heater plate comprising a sheet of tempered glass, at least a pair of terminal areas on one face of said glass sheet and a terminal member formed of a layer of silver bonded to said glass sheet within each terminal area, an electrically conductive heating circuit of aluminum extending in a pattern over said one face and including a terminal disposed over each terminal area to cover completely said terminal member, said heating circuit bonded both to said one face of said glass sheet and to each terminal member and in electrical contact with the latter, and an opening in each terminal of said heating circuit at said terminal areas through to each terminal member for exposing a portion of each underlying terminal member whereby said electric heater plate is adapted for electrical connection in an external circuit.

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