3421539

Information

• Patent Grant
• 3421539

• References
• Source

• Patent Number

  3,421,539

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • F16K31/20 - actuating a lift valve
  • Y10T137/7381 - Quick acting
  • Y10T137/7417 - With float leakage disposal
  • Y10T137/7423 - Rectilinearly traveling float
  • Y10T137/7468 - Horizontal or side entering pipe

• US Classifications

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