3688083

Information

• Patent Grant
• 3688083

• References
• Source

• Patent Number

  3,688,083

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • F24H1/0045 - with catalytic combustion
  • F22B1/28 - in boilers heated electrically
  • F22B27/14 - built-up from heat-exchange elements arranged within a confined chamber having heat-retaining walls
  • F24H1/101 - using electric energy supply
  • H05B3/145 - Carbon only

• US Classifications

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