3477689

Information

• Patent Grant
• 3477689

• References
• Source

• Patent Number

  3,477,689

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1969
  55 years ago

• CPC

  • F16L37/006 - plug-cocks
  • F16L37/23 - by means of balls
  • F16L37/24 - in which the connection is made by inserting one member axially into the other and rotating it to a limited extent
  • F16L2201/20 - Safety or protective couplings
  • Y10T137/87973 - Coupling interlocked with valve, or closure or actuator

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling