2351425

Information

• Patent Grant
• 2351425

• References
• Source

• Patent Number

  2,351,425

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1944
  80 years ago

• CPC

  • F28F9/0204 - for elongated header box
  • F22D1/16 - with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
  • Y10T29/49375 - including conduit expansion or inflation

• US Classifications

  • 029 - Metal working
  • 165 - Heat exchange