643956

Information

• Patent Grant
• 643956

• References
• Source

• Patent Number

  643,956

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1900
  124 years ago

• CPC

  • E05B67/14 - with devices for securing the hinged end of the shackle
  • Y10T70/404 - Manacles and cuffs
  • Y10T70/478 - Pivoted end only engaged
  • Y10T70/7757 - Push or pull key operation
  • Y10T70/787 - Irregular nonplanar or undulated

• US Classifications

  • 070 - Locks