3665740

Information

• Patent Grant
• 3665740

• References
• Source

• Patent Number

  3,665,740

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • E05B47/0044 - Cylinder locks with magnetic tumblers
  • Y10T70/7057 - Permanent magnet
  • Y10T70/7684 - Plug
  • Y10T70/8919 - Antifriction provisions

• US Classifications

  • 070 - Locks