3581433

Information

• Patent Grant
• 3581433

• References
• Source

• Patent Number

  3,581,433

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • A63H13/15 - imitating drawing or writing

• US Classifications

  • 446 - Amusement devices: toys