993750

Information

• Patent Grant
• 993750

• References
• Source

• Patent Number

  993,750

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1911
  113 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/5257 - Combination operable only

• US Classifications

  • 070 - Locks