3543407

Information

• Patent Grant
• 3543407

• References
• Source

• Patent Number

  3,543,407

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • G01B13/19 - for testing the alignment of axes
  • G01B7/312 - for measuring eccentricity

• US Classifications

  • 033 - Geometrical instruments