3811682

Information

• Patent Grant
• 3811682

• References
• Source

• Patent Number

  3,811,682

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • A63F9/088 - Puzzles with elements that are connected by straps, strings or hinges
  • Y10S273/04 - Ethylene
  • Y10S273/05 - Vinyl
  • Y10S273/12 - Propylene

• US Classifications

  • 273 - Amusement devices: games
  • 446 - Amusement devices: toys