3791372

Information

• Patent Grant
• 3791372

• References
• Source

• Patent Number

  3,791,372

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • F28D15/0233 - the conduits having a particular shape
  • A47J27/026 - with conduits through the vessel for circulating heating gases
  • F24C3/126 - on ranges

• US Classifications

  • 126 - Stoves and furnaces
  • 165 - Heat exchange
  • 219 - Electric heating
  • 432 - Heating