3538881

Information

• Patent Grant
• 3538881

• References
• Source

• Patent Number

  3,538,881

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • G01C17/36 - Repeaters for remote indication of readings of a master compass

• US Classifications

  • 116 - Signals and indicators
  • 033 - Geometrical instruments
  • 073 - Measuring and testing
  • 235 - Registers