3221

Information

• Patent Grant
• 3221

• References
• Source

• Patent Number

  3,221

• Date Filed

  Not available

• Date Issued

  Thursday, August 17, 1843
  181 years ago

• CPC

  • E05B35/00 - Locks for use with special keys or a plurality of keys; keys therefor
  • Y10T70/7514 - Sliding and rotary or swinging tumblers

• US Classifications

  • 070 - Locks