3496874

Information

• Patent Grant
• 3496874

• References
• Source

• Patent Number

  3,496,874

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  55 years ago

• CPC

  • F04B43/067 - the fluid being actuated directly by a piston
  • A61M1/1046 - Drive systems therefor
  • A61M1/1048 - characterised by way of converting the movement
  • F04B49/12 - by varying the length of stroke of the working members
  • F04B53/1055 - more than two flexible elements oscillating around a fixed point
  • Y10S128/03 - Heart-lung
  • Y10T74/165 - Driving lever with adjustable pivot point
  • Y10T137/788 - Having expansible port
  • Y10T137/7895 - Peripherally secured diaphragm

• US Classifications

  • 417 - Pumps
  • 074 - Machine element or mechanism
  • 128 - Surgery
  • 137 - Fluid handling
  • 251 - Valves and valve actuation