3812591

Information

• Patent Grant
• 3812591

• References
• Source

• Patent Number

  3,812,591

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • G01B5/204 - of screw-threads
  • G01B5/163 - of screw-threads

• US Classifications

  • 033 - Geometrical instruments