3586831

Information

• Patent Grant
• 3586831

• References
• Source

• Patent Number

  3,586,831

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1971
  54 years ago

• CPC

  • G05D23/2036 - the sensing element being a dielectric of a capacitor
  • G05D23/1906 - using an analogue comparing device
  • G05D23/24 - the sensing element having a resistance varying with temperature

• US Classifications

  • 219 - Electric heating