2984020

Information

• Patent Grant
• 2984020

• References
• Source

• Patent Number

  2,984,020

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1961
  63 years ago

• CPC

  • G09B25/08 - of scenic effects

• US Classifications

  • 434 - Education and demonstration
  • 101 - Printing
  • 446 - Amusement devices: toys