1368770

Information

• Patent Grant
• 1368770

• References
• Source

• Patent Number

  1,368,770

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1921
  103 years ago

• CPC

  • B21D53/06 - of metal tubes
  • Y10S165/485 - Unitary
  • Y10T29/49373 - Tube joint and tube plate structure

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 126 - Stoves and furnaces
  • 285 - Pipe joints or couplings