3223438

Information

• Patent Grant
• 3223438

• References
• Source

• Patent Number

  3,223,438

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • F16L19/0218 - comprising only sealing rings
  • F16L21/035 - placed around the spigot end before connection
  • F16L27/1136 - the sleeve comprising a screwed member
  • F16L27/12 - allowing substantial longitudinal adjustment or movement

• US Classifications

  • 285 - Pipe joints or couplings