2173941

Information

• Patent Grant
• 2173941

• References
• Source

• Patent Number

  2,173,941

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1939
  85 years ago

• CPC

  • B61L15/0009 - wiring diagrams for start- or stop-signals on vehicles having one or more carriages and having electrical communication lines between the carriages
  • B60T15/021 - Railway control or brake valves

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems