3217159

Information

• Patent Grant
• 3217159

• References
• Source

• Patent Number

  3,217,159

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1965
  59 years ago

• CPC

  • B61K7/12 - electrically controlled

• US Classifications

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