3585505

Information

• Patent Grant
• 3585505

• References
• Source

• Patent Number

  3,585,505

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1971
  53 years ago

• CPC

  • B61L3/225 - using separate conductors along the route
  • B61L13/047 - controlling inductively or magnetically

• US Classifications

  • 455 - Telecommunications
  • 246 - Railway switches and signals