2401609

Information

• Patent Grant
• 2401609

• References
• Source

• Patent Number

  2,401,609

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1946
  78 years ago

• CPC

  • G01C5/00 - Measuring height Measuring distances transverse to line of sight Levelling between separated points Surveyors' levels
  • G01C1/10 - including an artificial horizon

• US Classifications

  • 033 - Geometrical instruments
  • 346 - Recorders
  • D10 - Measuring, testing, or signalling instruments