2164711

Information

• Patent Grant
• 2164711

• References
• Source

• Patent Number

  2,164,711

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1939
  85 years ago

• CPC

  • A61B5/150259 - Improved gripping
  • A61B5/150022 - for capillary blood or interstitial fluid
  • A61B5/150236 - Pistons
  • A61B5/150244 - Rods for actuating or driving the piston
  • A61B5/150343 - Collection vessels for collecting blood samples from the skin surface
  • A61M1/1081 - Piston pumps
  • A61B5/150145 - by negative pressure
  • A61B5/150946 - Means for varying, regulating, indicating or limiting the speed or time of blood collection

• US Classifications

  • 604 - Surgery
  • 073 - Measuring and testing