1946657

Information

• Patent Grant
• 1946657

• References
• Source

• Patent Number

  1,946,657

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  90 years ago

• CPC

  • G01C19/34 - for indicating a direction in the horizontal plane
  • Y10T74/1211 - and resetting means
  • Y10T74/1225 - with rotor drives

• US Classifications

  • 073 - Measuring and testing
  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism