1453509

Information

• Patent Grant
• 1453509

• References
• Source

• Patent Number

  1,453,509

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1923
  101 years ago

• CPC

  • B60T15/043 - controlling service pressure brakes
  • Y10T137/87096 - Valves with separate, correlated, actuators
  • Y10T477/8947 - Pivots about two fulcrums

• US Classifications

  • 477 - Interrelated power delivery controls, including engine control
  • 137 - Fluid handling
  • 303 - Fluid-pressure and analogous brake systems