3851665

Information

• Patent Grant
• 3851665

• References
• Source

• Patent Number

  3,851,665

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • F16K43/003 - the auxiliary valve being a rotary valve
  • F16K24/00 - Devices
  • Y10T137/5497 - Protection against freezing
  • Y10T137/7256 - Locks against rotary motion
  • Y10T137/8803 - Also carries head of other valve

• US Classifications

  • 137 - Fluid handling