3621877

Information

• Patent Grant
• 3621877

• References
• Source

• Patent Number

  3,621,877

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • F04B7/0225 - and having a slidable movement
  • F04B7/025 - and having a slidable movement
  • F04B7/0266 - the inlet and discharge means being separate members
  • F04B15/023 - supply of fluid to the pump by gravity through a hopper
  • F16K27/044 - slide valves with flat obturating members
  • Y10T137/87161 - With common valve operator

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits