3552422

Information

• Patent Grant
• 3552422

• References
• Source

• Patent Number

  3,552,422

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • F16K17/22 - actuated by the difference of pressure between two places in the flow line
  • Y10T137/6184 - Removable valve with normally disabled supplemental check valve
  • Y10T137/88062 - Coaxial oppositely directed seats

• US Classifications

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