449924

Information

• Patent Grant
• 449924

• References
• Source

• Patent Number

  449,924

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1891
  133 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/433 - Swinging detent
  • Y10T70/7203 - With ball or roller
  • Y10T70/7232 - Removable
  • Y10T70/7836 - Plural shanks, stems or bit wings

• US Classifications

  • 070 - Locks