667508

Information

• Patent Grant
• 667508

• References
• Source

• Patent Number

  667,508

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1901
  124 years ago

• CPC

  • B60M1/343 - Crossings; Points

• US Classifications

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