620386

Information

• Patent Grant
• 620386

• References
• Source

• Patent Number

  620,386

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1899
  125 years ago

• CPC

  • F16K51/02 - specially adapted for high-vacuum installations
  • Y10T137/5526 - With screw or gear in actuating mechanism

• US Classifications

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