3911255

Information

• Patent Grant
• 3911255

• References
• Source

• Patent Number

  3,911,255

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • G01C19/34 - for indicating a direction in the horizontal plane

• US Classifications

  • 701 - Data processing: vehicles, navigation, and relative location
  • 033 - Geometrical instruments
  • 702 - Data processing: measuring, calibrating, or testing