3459218

Information

• Patent Grant
• 3459218

• References
• Source

• Patent Number

  3,459,218

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • F22B37/446 - Safety devices responsive to overpressure
  • F16K17/12 - weight-loaded
  • F16K37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
  • F22B37/42 - Applications, arrangements, or dispositions of alarm or automatic safety devices
  • Y10S261/65 - Vaporizers
  • Y10T137/7738 - Pop valves
  • Y10T137/7909 - Valve body is the weight
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm

• US Classifications

  • 137 - Fluid handling
  • 116 - Signals and indicators
  • 128 - Surgery
  • 261 - Gas and liquid contact apparatus