3756702

Information

• Patent Grant
• 3756702

• References
• Source

• Patent Number

  3,756,702

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • B24B17/02 - involving mechanical transmission means only
  • A61B3/107 - for determining the shape or measuring the curvature of the cornea
  • B24B13/0025 - for contact lenses
  • B24B13/065 - using a template

• US Classifications

  • 351 - Optics: eye examining, vision testing and correcting