3774420

Information

• Patent Grant
• 3774420

• References
• Source

• Patent Number

  3,774,420

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  51 years ago

• CPC

  • E05B63/0017 - Locks with sliding bolt without provision for latching
  • E05B17/2088 - Means to prevent disengagement of lock and keeper
  • E05B15/006 - Spring-biased ball or roller entering a notch
  • Y10T70/5212 - Sliding dead bolt
  • Y10T70/5327 - Keeper interlocking
  • Y10T70/8027 - Condition indicators
  • Y10T292/0982 - Bolt blocking or disabling means

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners