2040740

Information

• Patent Grant
• 2040740

• References
• Source

• Patent Number

  2,040,740

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1936
  88 years ago

• CPC

  • A63F9/0876 - Bent wire or cord puzzles
  • E05B37/20 - Puzzle locks
  • A63F2009/0012 - the other object being a container or part thereof
  • A63F2250/12 - using a string, rope, strap or belt as a play element
  • A63F2250/24 - with a lock
  • A63F2250/505 - made from a blank

• US Classifications

  • 273 - Amusement devices: games
  • 229 - Envelopes, wrappers, and paperboard boxes