3733861

Information

• Patent Grant
• 3733861

• References
• Source

• Patent Number

  3,733,861

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • G07C9/00944 - Details of construction or manufacture
  • G07C9/00182 - operated with unidirectional data transmission between data carrier and locks
  • E05B2047/0062 - by generator
  • G07C2009/00793 - by Hertzian waves
  • G07C2009/00801 - by acoustic waves
  • Y10T70/5518 - Connections only
  • Y10T70/7062 - Electrical type [e.g., solenoid]

• US Classifications

  • 070 - Locks