3011781

Information

• Patent Grant
• 3011781

• References
• Source

• Patent Number

  3,011,781

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1961
  62 years ago

• CPC

  • A63J5/023 - for making fire and flame simulations

• US Classifications

  • 472 - Amusement devices
  • 040 - Card, picture, or sign exhibiting
  • 431 - Combustion