3509898

Information

• Patent Grant
• 3509898

• References
• Source

• Patent Number

  3,509,898

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • F15C1/12 - Multiple arrangements thereof for performing operations of the same kind
  • F15C1/08 - Boundary-layer devices
  • F15C1/10 - for digital operation
  • G01B13/00 - Measuring arrangements characterised by the use of fluids
  • Y10S200/05 - Fluid pressure: fluid amplifier
  • Y10T137/2071 - And causing change or correction of sensed condition

• US Classifications

  • 137 - Fluid handling
  • 200 - Electricity: circuit makers and breakers