2693941

Information

• Patent Grant
• 2693941

• References
• Source

• Patent Number

  2,693,941

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1954
  70 years ago

• CPC

  • F24B7/005 - Flue-gas ducts
  • B26D2007/0068 - Trimming and removing web edges
  • Y10S165/302 - Rotary gas pump
  • Y10S165/901 - Heat savers

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces
  • D23 - Environmental heating and cooling