3849895

Information

• Patent Grant
• 3849895

• References
• Source

• Patent Number

  3,849,895

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  49 years ago

• CPC

  • G01C19/40 - for control by signals from a master compass
  • G01C19/36 - with north-seeking action by magnetic means

• US Classifications

  • 033 - Geometrical instruments