3857406

Information

• Patent Grant
• 3857406

• References
• Source

• Patent Number

  3,857,406

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • F16K1/22 - with axis of rotation crossing the valve member
  • F16K27/0218 - Butterfly valves
  • Y10T137/0525 - Butterfly valve
  • Y10T137/6028 - Assembling or disassembling pivoted valve
  • Y10T137/6031 - Assembling or disassembling rotary valve
  • Y10T137/6052 - Having valve head or seat packing
  • Y10T137/7036 - Jacketed

• US Classifications

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