3724972

Information

• Patent Grant
• 3724972

• References
• Source

• Patent Number

  3,724,972

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • F04C14/223 - using a movable cam
  • F02M59/12 - having other positive-displacement pumping elements
  • F02M69/02 - Pumps peculiar thereto
  • F04C14/24 - characterised by using valves regulating pressure or flow rate

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices