3815670

Information

• Patent Grant
• 3815670

• References
• Source

• Patent Number

  3,815,670

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • F24D19/04 - in skirtings
  • F24H3/002 - using electric energy supply

• US Classifications

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