3748441

Information

• Patent Grant
• 3748441

• References
• Source

• Patent Number

  3,748,441

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • G06Q99/00 - Subject matter not provided for in other groups of this subclass
  • G07B11/02 - for validating inserted tickets
  • G07B15/02 - taking into account a variable factor such as distance or time
  • G07C9/02 - Turnstiles with registering means
  • G07F17/145 - for revolving doors or turnstiles

• US Classifications

  • 235 - Registers