3731506

Information

• Patent Grant
• 3731506

• References
• Source

• Patent Number

  3,731,506

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • E05B17/2084 - Means to prevent forced opening by attack, tampering or jimmying
  • Y10T70/5181 - Rigid or fixed
  • Y10T292/79 - Bolt guards

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners