3656328

Information

• Patent Grant
• 3656328

• References
• Source

• Patent Number

  3,656,328

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • E05B47/0044 - Cylinder locks with magnetic tumblers
  • E05B19/0023 - characterized by variation of the contact surface between the key and the tumbler pins or plates
  • E05B19/0047 - with substantially circular or star-shape cross-section
  • E05B27/006 - whereby a small rotation without the correct key blocks further rotation of the rotor
  • Y10T70/7057 - Permanent magnet
  • Y10T70/7565 - Plural tumbler sets
  • Y10T70/7605 - Pin tumblers
  • Y10T70/7684 - Plug
  • Y10T70/7701 - Pin
  • Y10T70/7847 - Round rigid
  • Y10T70/7904 - Magnetic features
  • Y10T70/7932 - Anti-pick

• US Classifications

  • 070 - Locks