3283146

Information

• Patent Grant
• 3283146

• References
• Source

• Patent Number

  3,283,146

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1966
  58 years ago

• CPC

  • B61K7/12 - electrically controlled

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways
  • 340 - Communications: electrical
  • 342 - Communications: directive radio wave systems and devices
  • 361 - Electricity: electrical systems and devices