1440273

Information

• Patent Grant
• 1440273

• References
• Source

• Patent Number

  1,440,273

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1922
  102 years ago

• CPC

  • F16L19/04 - using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
  • F16L19/043 - with additional sealing means

• US Classifications

  • 285 - Pipe joints or couplings
  • 138 - Pipes and tubular conduits