3869889

Information

• Patent Grant
• 3869889

• References
• Source

• Patent Number

  3,869,889

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • E05B27/0021 - having movable parts
  • Y10T70/7571 - Concentric tumblers
  • Y10T70/7605 - Pin tumblers
  • Y10T70/7932 - Anti-pick

• US Classifications

  • 070 - Locks