1822668

Information

• Patent Grant
• 1822668

• References
• Source

• Patent Number

  1,822,668

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1931
  93 years ago

• CPC

  • F16K31/0655 - Lift valves
  • F16K31/0665 - with valve member being at least partially ball-shaped
  • Y10T137/6869 - Car frame

• US Classifications

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