1644669

Information

• Patent Grant
• 1644669

• References
• Source

• Patent Number

  1,644,669

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1927
  97 years ago

• CPC

  • B60L15/38 - with automatic control
  • B60L2200/26 - Rail vehicles
  • Y10T477/373 - Electrically actuated brake
  • Y10T477/377 - Fluid actuated brake

• US Classifications

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