3913717

Information

• Patent Grant
• 3913717

• References
• Source

• Patent Number

  3,913,717

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • G07F17/145 - for revolving doors or turnstiles
  • Y10S194/903 - Check-controlled turnstile

• US Classifications

  • 194 - Check-actuated control mechanisms
  • 049 - Movable or removable closures