1787947

Information

• Patent Grant
• 1787947

• References
• Source

• Patent Number

  1,787,947

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  94 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
  • Y10T137/7504 - Removable valve head and seat unit
  • Y10T137/7722 - Line condition change responsive valves
  • Y10T137/87249 - Multiple inlet with multiple outlet

• US Classifications

  • 137 - Fluid handling