3659261

Information

• Patent Grant
• 3659261

• References
• Source

• Patent Number

  3,659,261

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • B61L25/046 - using magnetic tags
  • B61L1/161 - characterised by the counting methods

• US Classifications

  • 246 - Railway switches and signals
  • 177 - Weighing scales
  • 340 - Communications: electrical