3651643

Information

• Patent Grant
• 3651643

• References
• Source

• Patent Number

  3,651,643

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1972
  52 years ago

• CPC

  • F02B77/08 - Safety, indicating or supervising devices
  • F15B20/00 - Safety arrangements Applications of safety devices Emergency measures
  • G08B1/04 - using hydraulic transmission using pneumatic transmission
  • G08B25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station
  • F01L2710/006 - Safety devices therefor
  • Y10S60/907 - Working member positioned against counterforce by constantly applied motive fluid
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm

• US Classifications

  • 060 - Power plants
  • 092 - Expansible chamber devices
  • 116 - Signals and indicators
  • 123 - Internal-combustion engines
  • 137 - Fluid handling