3361905

Information

• Patent Grant
• 3361905

• References
• Source

• Patent Number

  3,361,905

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1968
  57 years ago

• CPC

  • B61L3/243 - using alternating current
  • B61L21/10 - Arrangements for trains which are closely following one another
  • B61L23/34 - Control, warnings or like safety means indicating the distance between vehicles or vehicle trains by the transmission of signals therebetween

• US Classifications

  • 246 - Railway switches and signals