1669677

Information

• Patent Grant
• 1669677

• References
• Source

• Patent Number

  1,669,677

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1928
  96 years ago

• CPC

  • E05B15/14 - Tumblers
  • Y10T70/7785 - Tumblers

• US Classifications

  • 070 - Locks