1731807

Information

• Patent Grant
• 1731807

• References
• Source

• Patent Number

  1,731,807

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  95 years ago

• CPC

  • F24H3/00 - Air heaters having heat generating means
  • F24H9/0052 - for air heaters
  • Y10S165/331 - Air draft passage confined entirely by heat transfer surface

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces