3729997

Information

• Patent Grant
• 3729997

• References
• Source

• Patent Number

  3,729,997

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  52 years ago

• CPC

  • G01L5/18 - for measuring ratios of force
  • G01F23/167 - with mechanic or fluid indicating or recording
  • G01L13/025 - using diaphragms
  • G01L15/00 - Devices or apparatus for measuring two or more pressure values simultaneously
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device
  • Y10T137/7287 - Liquid level responsive or maintaining systems

• US Classifications

  • 073 - Measuring and testing
  • 137 - Fluid handling