2368762

Information

• Patent Grant
• 2368762

• References
• Source

• Patent Number

  2,368,762

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1945
  79 years ago

• CPC

  • B61L5/1818 - using mobile coloured screen

• US Classifications

  • 340 - Communications: electrical
  • 246 - Railway switches and signals
  • 362 - Illumination