3889387

Information

• Patent Grant
• 3889387

• References
• Source

• Patent Number

  3,889,387

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • G01C19/34 - for indicating a direction in the horizontal plane
  • G01C19/32 - Indicating or recording means specially adapted for rotary gyroscopes

• US Classifications

  • 033 - Geometrical instruments
  • 116 - Signals and indicators