3127685

Information

• Patent Grant
• 3127685

• References
• Source

• Patent Number

  3,127,685

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1964
  60 years ago

• CPC

  • G09B9/203 - for taking-off or landing condition
  • G09B9/305 - by viewing with a camera a small-scale model of the terrain

• US Classifications

  • 434 - Education and demonstration
  • 348 - Television