3716185

Information

• Patent Grant
• 3716185

• References
• Source

• Patent Number

  3,716,185

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  52 years ago

• CPC

  • G07B13/04 - for indicating fare or state of hire
  • G06M1/042 - with click devices

• US Classifications

  • 235 - Registers