3861411

Information

• Patent Grant
• 3861411

• References
• Source

• Patent Number

  3,861,411

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  49 years ago

• CPC

  • G01R17/08 - in which a force or torque representing the measured value is balanced by a force or torque representing the reference value
  • Y10T74/18752 - Manually driven
  • Y10T137/2278 - Pressure modulating relays or followers

• US Classifications

  • 137 - Fluid handling
  • 074 - Machine element or mechanism
  • 251 - Valves and valve actuation