3809441

Information

• Patent Grant
• 3809441

• References
• Source

• Patent Number

  3,809,441

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  51 years ago

• CPC

  • B60T15/043 - controlling service pressure brakes
  • Y10T137/7795 - Multi-stage
  • Y10T137/86919 - Sequentially closing and opening alternately seating flow controllers

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems
  • 137 - Fluid handling
  • 251 - Valves and valve actuation