2958955

Information

• Patent Grant
• 2958955

• References
• Source

• Patent Number

  2,958,955

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1960
  64 years ago

• CPC

  • G09B9/203 - for taking-off or landing condition

• US Classifications

  • 434 - Education and demonstration
  • 235 - Registers