3810403

Information

• Patent Grant
• 3810403

• References
• Source

• Patent Number

  3,810,403

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • B23B5/00 - Turning-machines or devices specially adapted for particular work Accessories specially adapted therefor
  • B23B31/307 - Vacuum chucks
  • B24B9/142 - for contact lenses
  • Y10T82/10 - Process of turning
  • Y10T82/14 - Axial pattern

• US Classifications

  • 082 - Turning
  • 351 - Optics: eye examining, vision testing and correcting
  • 451 - Abrading