2442688

Information

• Patent Grant
• 2442688

• References
• Source

• Patent Number

  2,442,688

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1948
  76 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/25 - With reset mechanisms
  • Y10T70/325 - Keeper-carried
  • Y10T70/7424 - Tampering prevention or attach defeating

• US Classifications

  • 070 - Locks