1311716

Information

• Patent Grant
• 1311716

• References
• Source

• Patent Number

  1,311,716

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1919
  105 years ago

• CPC

  • G01C19/38 - with north-seeking action by other than magnetic means
  • Y10S200/19 - Gyroscope

• US Classifications

  • 033 - Geometrical instruments
  • 200 - Electricity: circuit makers and breakers