3600068

Information

• Patent Grant
• 3600068

• References
• Source

• Patent Number

  3,600,068

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1971
  53 years ago

• CPC

  • G02C5/008 - Spectacles frames characterized by their material, material structure and material properties
  • G02C5/2227 - comprising a fixed hinge member and a coil spring
  • G02C5/2254 - comprising elastic means other than coil spring
  • G02C2200/10 - Frame or frame portions made from wire
  • G02C2200/28 - Coil spring twisted upon actuation
  • Y10T16/526 - Eyeglass hinge

• US Classifications

  • 351 - Optics: eye examining, vision testing and correcting
  • 016 - Miscellaneous hardware
  • 267 - Spring devices