1391921

Information

• Patent Grant
• 1391921

• References
• Source

• Patent Number

  1,391,921

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1921
  103 years ago

• CPC

  • E05B11/005 - by key modifications or attachments
  • Y10T70/7994 - Portable

• US Classifications

  • 070 - Locks