1287882

Information

• Patent Grant
• 1287882

• References
• Source

• Patent Number

  1,287,882

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1918
  106 years ago

• CPC

  • E05B27/0053 - for use with more than one key
  • Y10S70/37 - Cylinder lock, multiple tumbler arrangements
  • Y10T70/7463 - Master- and change-key
  • Y10T70/7599 - Transverse of plug
  • Y10T70/7718 - Intermediate
  • Y10T70/7836 - Plural shanks, stems or bit wings
  • Y10T70/787 - Irregular nonplanar or undulated
  • Y10T70/7881 - Bitting

• US Classifications

  • 070 - Locks