3731067

Information

• Patent Grant
• 3731067

• References
• Source

• Patent Number

  3,731,067

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • B61L1/14 - Devices for indicating the passing of the end of the vehicle or vehicle train
  • B61L1/162 - characterised by the error correction
  • B61L25/041 - using reflecting tags

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 340 - Communications: electrical