3878863

Information

• Patent Grant
• 3878863

• References
• Source

• Patent Number

  3,878,863

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • G05B9/00 - Safety arrangements
  • F16K37/0066 - Hydraulic or pneumatic means
  • G05D16/0611 - the sensing element being deformable
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/7725 - Responsive to both high and low pressure or velocity
  • Y10T137/8225 - Position or extent of motion indicator
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation