2365000

Information

• Patent Grant
• 2365000

• References
• Source

• Patent Number

  2,365,000

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1944
  80 years ago

• CPC

  • B61L5/1818 - using mobile coloured screen

• US Classifications

  • 340 - Communications: electrical
  • 246 - Railway switches and signals
  • 315 - Electric lamp and discharge devices: systems