447519

Information

• Patent Grant
• 447519

• References
• Source

• Patent Number

  447,519

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1891
  133 years ago

• CPC

  • E05B37/08 - with tumbler discs on a single axis, all the discs being adjustable by a rotary knob which is not shifted for adjusting the discs
  • Y10T70/5336 - Combination operable only
  • Y10T70/7186 - Plural interdependent sets

• US Classifications

  • 070 - Locks