2893639

Information

• Patent Grant
• 2893639

• References
• Source

• Patent Number

  2,893,639

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1959
  65 years ago

• CPC

  • F24H9/2085 - for heaters using fluid combustibles
  • F24H3/12 - with additional heating arrangements

• US Classifications

  • 237 - Heating systems
  • 126 - Stoves and furnaces
  • 236 - Automatic temperature and humidity regulation
  • 392 - Electric resistance heating devices