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Variations on combined thermostat and fuel level monitor

  • US 6,641,055 B1
  • Filed: 01/10/2002
  • Issued: 11/04/2003
  • Est. Priority Date: 01/10/2001
  • Status: Expired due to Fees
First Claim
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1. A back plate for a thermostat for controlling the temperature in a location heated by a liquid fuel, said back plate comprising means for indicating the level of liquid fuel remaining.

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