1874667

Information

• Patent Grant
• 1874667

• References
• Source

• Patent Number

  1,874,667

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1932
  92 years ago

• CPC

  • A61M1/1037 - Pumps having flexible elements
  • A61M1/1041 - Linear
  • 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
  • A61M1/1046 - Drive systems therefor
  • A61M5/14228 - with linear peristaltic action
  • A61M5/14232 - Roller pumps

• US Classifications

  • 417 - Pumps
  • 222 - Dispensing