3371528

Information

• Patent Grant
• 3371528

• References
• Source

• Patent Number

  3,371,528

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1968
  56 years ago

• CPC

  • G05D1/0661 - specially adapted for take-off
  • G01C19/44 - for indicating the vertical

• US Classifications

  • 033 - Geometrical instruments
  • 073 - Measuring and testing