2490376

Information

• Patent Grant
• 2490376

• References
• Source

• Patent Number

  2,490,376

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • G01B13/18 - for measuring angles or tapers for testing the alignment of axes

• US Classifications

  • 033 - Geometrical instruments
  • 073 - Measuring and testing