3717803

Information

• Patent Grant
• 3717803

• References
• Source

• Patent Number

  3,717,803

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • G05D3/1481 - with discrete position sensor

• US Classifications

  • 318 - Electricity: motive power systems
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation