2967970

Information

• Patent Grant
• 2967970

• References
• Source

• Patent Number

  2,967,970

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1961
  64 years ago

• CPC

  • B61L25/08 - Diagrammatic displays

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 246 - Railway switches and signals
  • 313 - Electric lamp and discharge devices