2000438

Information

• Patent Grant
• 2000438

• References
• Source

• Patent Number

  2,000,438

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1935
  89 years ago

• CPC

  • F24H7/0208 - with electrical energy supply
  • F24H3/004 - with a closed circuit for a heat transfer liquid

• US Classifications

  • 392 - Electric resistance heating devices
  • 219 - Electric heating
  • 338 - Electrical resistors