1440459

Information

• Patent Grant
• 1440459

• References
• Source

• Patent Number

  1,440,459

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1923
  103 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
  • Y10T70/7599 - Transverse of plug
  • Y10T70/7836 - Plural shanks, stems or bit wings
  • Y10T70/7881 - Bitting

• US Classifications

  • 070 - Locks
  • 076 - Metal tools and implements, making