3824815

Information

• Patent Grant
• 3824815

• References
• Source

• Patent Number

  3,824,815

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • E05B37/20 - Puzzle locks
  • A63F9/0078 - Labyrinth games
  • Y10T70/409 - Shackles
  • Y10T70/5867 - Encased
  • Y10T70/5987 - Spare or mounted wheel or tire
  • Y10T70/7175 - Labyrinthian passage
  • Y10T70/7412 - Portable combination setting guide

• US Classifications

  • 070 - Locks
  • 215 - Bottles and jars
  • 273 - Amusement devices: games