966350

Information

• Patent Grant
• 966350

• References
• Source

• Patent Number

  966,350

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1910
  114 years ago

• CPC

  • B61L5/1836 - using light sources of different colours and seperate optical systems

• US Classifications

  • 246 - Railway switches and signals
  • 116 - Signals and indicators