2062511

Information

• Patent Grant
• 2062511

• References
• Source

• Patent Number

  2,062,511

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1936
  88 years ago

• CPC

  • G09F21/16 - Sky-writing

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 244 - Aeronautics and astronautics