1471840

Information

• Patent Grant
• 1471840

• References
• Source

• Patent Number

  1,471,840

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1923
  101 years ago

• CPC

  • H01H71/42 - Induction-motor, induced-current, or electrodynamic release mechanisms
  • A47J27/62 - by devices for automatically controlling the heat supply by switching off heaters or for automatically lifting the cooking-vessels

• US Classifications

  • 236 - Automatic temperature and humidity regulation