3131506

Information

• Patent Grant
• 3131506

• References
• Source

• Patent Number

  3,131,506

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  61 years ago

• CPC

  • A63H1/28 - Musical tops
  • A63H1/32 - Whirling or spinning discs driven by twisted cords

• US Classifications

  • 446 - Amusement devices: toys
  • 482 - Exercise devices