2311187

Information

• Patent Grant
• 2311187

• References
• Source

• Patent Number

  2,311,187

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1943
  82 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
  • 235 - Registers