2649509

Information

• Patent Grant
• 2649509

• References
• Source

• Patent Number

  2,649,509

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1953
  71 years ago

• CPC

  • B60M1/14 - Crossings Points

• US Classifications

  • 191 - Electricity: transmission to vehicles
  • 246 - Railway switches and signals