2022812

Information

• Patent Grant
• 2022812

• References
• Source

• Patent Number

  2,022,812

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1935
  89 years ago

• CPC

  • F24H7/0208 - with electrical energy supply

• US Classifications

  • 392 - Electric resistance heating devices
  • 165 - Heat exchange