3500826

Information

• Patent Grant
• 3500826

• References
• Source

• Patent Number

  3,500,826

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  54 years ago

• CPC

  • G01L13/02 - using elastically-deformable members or pistons as sensing elements
  • A61M16/00 - Devices for influencing the respiratory system of patients by gas treatment
  • G01L9/0072 - using variations in capacitance
  • G01L9/0089 - Transmitting or indicating the displacement of pistons by electrical, electro-mechanical, magnetic or electro-magnetic means
  • G01L19/12 - Alarms or signals
  • G01L23/125 - by changing capacitance
  • A61M2016/0024 - with an on-off output signal
  • Y10T137/2012 - Pressure

• US Classifications

  • 128 - Surgery
  • 073 - Measuring and testing
  • 137 - Fluid handling