2821411

Information

• Patent Grant
• 2821411

• References
• Source

• Patent Number

  2,821,411

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1958
  66 years ago

• CPC

  • F16L37/16 - Joints tightened by the action of a wedge-shaped hinged hook
  • F16L37/34 - at least one of the lift valves being of the sleeve type

• US Classifications

  • 251 - Valves and valve actuation
  • 285 - Pipe joints or couplings