2404812

Information

• Patent Grant
• 2404812

• References
• Source

• Patent Number

  2,404,812

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1946
  78 years ago

• CPC

  • C06D3/00 - Generation of smoke or mist (chemical part)
  • G09F21/16 - Sky-writing

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 048 - Gas: heating and illuminating
  • 244 - Aeronautics and astronautics
  • 516 - Colloid systems and wetting agents