3056121

Information

• Patent Grant
• 3056121

• References
• Source

• Patent Number

  3,056,121

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1962
  62 years ago

• CPC

  • H02B15/00 - Supervisory desks or panels for centralised control or display
  • B61L25/08 - Diagrammatic displays
  • H02B15/04 - consisting of building blocks

• US Classifications

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