3167282

Information

• Patent Grant
• 3167282

• References
• Source

• Patent Number

  3,167,282

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1965
  60 years ago

• CPC

  • B61L1/06 - actuated by deformation of rail actuated by vibration in rail
  • B61L23/06 - for warning men working on the route

• US Classifications

  • 246 - Railway switches and signals
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical