3728814

Information

• Patent Grant
• 3728814

• References
• Source

• Patent Number

  3,728,814

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1973
  52 years ago

• CPC

  • A63H27/008 - Propelled by flapping of wings

• US Classifications

  • 446 - Amusement devices: toys