1254781

Information

• Patent Grant
• 1254781

• References
• Source

• Patent Number

  1,254,781

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1918
  106 years ago

• CPC

  • F04B49/243 - by keeping open the inlet valve
  • Y10T137/7839 - Dividing and recombining in a single flow path
  • Y10T137/7858 - With means for selecting area of valve or seat
  • Y10T137/7895 - Peripherally secured diaphragm

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling