1489353

Information

• Patent Grant
• 1489353

• References
• Source

• Patent Number

  1,489,353

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1924
  101 years ago

• CPC

  • F16N7/30 - the oil being fed or carried along by another fluid
  • F16N23/00 - Special adaptations of check valves
  • F16N2260/00 - Fail safe
  • F16N2280/04 - Variable-flow or proportional valves
  • Y10T137/87917 - Flow path with serial valves and/or closures
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 137 - Fluid handling
  • 192 - Clutches and power-stop control