2158566

Information

• Patent Grant
• 2158566

• References
• Source

• Patent Number

  2,158,566

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1939
  85 years ago

• CPC

  • F16K43/006 - the auxiliary valve being held open by the main valve
  • Y10T137/6188 - Check valve disabled by normally movable main valve part

• US Classifications

  • 137 - Fluid handling
  • 119 - Animal husbandry