1009202

Information

• Patent Grant
• 1009202

• References
• Source

• Patent Number

  1,009,202

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1911
  113 years ago

• CPC

  • E05B27/0053 - for use with more than one key
  • Y10T70/7463 - Master- and change-key
  • Y10T70/7469 - Change-key shutout
  • Y10T70/7774 - False or picking key trapping

• US Classifications

  • 070 - Locks