3830288

Information

• Patent Grant
• 3830288

• References
• Source

• Patent Number

  3,830,288

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • F24H7/0416 - the transfer fluid being air

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces
  • 392 - Electric resistance heating devices