2965889

Information

• Patent Grant
• 2965889

• References
• Source

• Patent Number

  2,965,889

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1960
  63 years ago

• CPC

  • B61L17/023 - Signalling; Signals with multiple indicating means
  • B61L17/00 - Switching systems for classification yards

• US Classifications

  • 340 - Communications: electrical
  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices