3847255

Information

• Patent Grant
• 3847255

• References
• Source

• Patent Number

  3,847,255

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • B60M1/343 - Crossings; Points

• US Classifications

  • 191 - Electricity: transmission to vehicles
  • 104 - Railways