1817090

Information

• Patent Grant
• 1817090

• References
• Source

• Patent Number

  1,817,090

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • A47J27/21016 - with heating elements immersed in the water
  • A47J27/62 - by devices for automatically controlling the heat supply by switching off heaters or for automatically lifting the cooking-vessels

• US Classifications

  • 392 - Electric resistance heating devices
  • 219 - Electric heating