3786471

Information

• Patent Grant
• 3786471

• References
• Source

• Patent Number

  3,786,471

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  51 years ago

• CPC

  • G07C9/00571 - operated by interacting with a central unit
  • E05B47/0047 - Striker rotating about an axis parallel to the wing edge
  • E05B49/004 - actuating mechanical switches
  • G07C9/00103 - with central registration and control
  • G07C9/00904 - for hotels, motels, office buildings or the like
  • Y10S70/17 - Check-key lock
  • Y10T70/625 - Operation and control

• US Classifications

  • 340 - Communications: electrical
  • 070 - Locks