2998020

Information

• Patent Grant
• 2998020

• References
• Source

• Patent Number

  2,998,020

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1961
  64 years ago

• CPC

  • F22B37/446 - Safety devices responsive to overpressure
  • F16K17/105 - using choking or throttling means to control the fluid operation of the main valve
  • Y10T137/2544 - Supply and exhaust type
  • Y10T137/7769 - Single acting fluid servo

• US Classifications

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