2213308

Information

• Patent Grant
• 2213308

• References
• Source

• Patent Number

  2,213,308

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1940
  84 years ago

• CPC

  • B61L29/286 - using conductor circuits controlled by the vehicle
  • B61L29/026 - Preventing access by means of obstacles raising across the route

• US Classifications

  • 246 - Railway switches and signals
  • 049 - Movable or removable closures
  • 340 - Communications: electrical
  • 362 - Illumination