3760160

Information

• Patent Grant
• 3760160

• References
• Source

• Patent Number

  3,760,160

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1973
  51 years ago

• CPC

  • G07F17/145 - for revolving doors or turnstiles
  • G06K7/08 - by means detecting the change of an electrostatic or magnetic field
  • G07B15/02 - taking into account a variable factor such as distance or time
  • Y10S194/902 - Check-operated device for controlling parking lot

• US Classifications

  • 235 - Registers
  • 194 - Check-actuated control mechanisms
  • 705 - Data processing: financial, business practice, management, or cost/price determination