717062

Information

• Patent Grant
• 717062

• References
• Source

• Patent Number

  717,062

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1902
  122 years ago

• CPC

  • G01C3/20 - with adaptation to the measurement of the height of an object

• US Classifications

  • 356 - Optics: measuring and testing
  • 033 - Geometrical instruments