3312508

Information

• Patent Grant
• 3312508

• References
• Source

• Patent Number

  3,312,508

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1967
  57 years ago

• CPC

  • B60L3/02 - Dead-man's devices
  • B60L2200/26 - Rail vehicles

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems
  • 246 - Railway switches and signals
  • 340 - Communications: electrical