2796803

Information

• Patent Grant
• 2796803

• References
• Source

• Patent Number

  2,796,803

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1957
  67 years ago

• CPC

  • G02C7/088 - Lens systems mounted to spectacles
  • G02B25/005 - with means for adjusting the magnifying glass or the object viewed
  • Y10T24/3437 - Coil spring biased
  • Y10T24/44453 - having specific handle structure

• US Classifications

  • 359 - Optical: systems and elements
  • 024 - Buckles, buttons, clasps, etc.
  • 351 - Optics: eye examining, vision testing and correcting