3532878

Information

• Patent Grant
• 3532878

• References
• Source

• Patent Number

  3,532,878

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1970
  55 years ago

• CPC

  • B61K7/12 - electrically controlled
  • B60T7/18 - operated by wayside apparatus

• US Classifications

  • 246 - Railway switches and signals
  • 303 - Fluid-pressure and analogous brake systems