2804689

Information

• Patent Grant
• 2804689

• References
• Source

• Patent Number

  2,804,689

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1957
  67 years ago

• CPC

  • G01C1/02 - Theodolites
  • G01C3/30 - with adaptation to the measurement of the height of an object

• US Classifications

  • 033 - Geometrical instruments