3606525

Information

• Patent Grant
• 3606525

• References
• Source

• Patent Number

  3,606,525

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  55 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
  • Y10T16/522 - with diverse art portion or attachment
  • Y10T16/526 - Eyeglass hinge

• US Classifications

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