3046391

Information

• Patent Grant
• 3046391

• References
• Source

• Patent Number

  3,046,391

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1962
  62 years ago

• CPC

  • B61L3/221 - using track circuits
  • B61L2003/228 - Constructional details

• US Classifications

  • 246 - Railway switches and signals