1897413

Information

• Patent Grant
• 1897413

• References
• Source

• Patent Number

  1,897,413

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • F28D1/053 - the conduits being straight
  • F24B9/00 - Stoves, ranges or flue-gas ducts, with additional provisions for heating water
  • F28D2001/0273 - having special shape
  • Y10S165/485 - Unitary

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers