1216752

Information

• Patent Grant
• 1216752

• References
• Source

• Patent Number

  1,216,752

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1917
  107 years ago

• CPC

  • E05B29/00 - Cylinder locks and other locks with plate tumblers which are set by pushing the key in
  • Y10T70/7475 - Submaster- and change-key
  • Y10T70/7746 - Removable change element

• US Classifications

  • 070 - Locks