3720182

Information

• Patent Grant
• 3720182

• References
• Source

• Patent Number

  3,720,182

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • G08B25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station
  • F01L1/00 - Valve-gear or valve arrangements
  • F15B20/00 - Safety arrangements Applications of safety devices Emergency measures
  • G08B1/04 - using hydraulic transmission using pneumatic transmission
  • F01L2710/006 - Safety devices therefor
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm

• US Classifications

  • 116 - Signals and indicators
  • 137 - Fluid handling