3720485

Information

• Patent Grant
• 3720485

• References
• Source

• Patent Number

  3,720,485

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • F04B43/09 - Pumps having electric drive
  • A61M1/1041 - Linear
  • A61M1/1048 - characterised by way of converting the movement
  • A61M1/1053 - using non-rotary electrical means
  • A61M1/1055 - Electromagnetic means
  • F04B43/082 - the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism
  • F04B43/086 - with two or more tubular flexible members in parallel

• US Classifications

  • 417 - Pumps
  • 623 - Prosthesis