3221839

Information

• Patent Grant
• 3221839

• References
• Source

• Patent Number

  3,221,839

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • F16N27/00 - Proportioning devices
  • Y02T70/121 - Reducing surface friction
  • Y10T137/4379 - Feed by or with actuation

• US Classifications

  • 184 - Lubrication
  • 114 - Ships
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 417 - Pumps