1528689

Information

• Patent Grant
• 1528689

• References
• Source

• Patent Number

  1,528,689

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1925
  100 years ago

• CPC

  • E05B17/2088 - Means to prevent disengagement of lock and keeper
  • Y10S70/39 - Cylinder and knob connection
  • Y10T70/5221 - Locking latch bolt, biased
  • Y10T70/7927 - Anti-jimmy
  • Y10T292/79 - Bolt guards

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners