Head mounted spectacles
Patent 6045222 Issued on April 4, 2000. Estimated Expiration Date: 
December 5, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 5, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 182013 401682 1819738 3209755 Eye glass frames Spectacles having head retainers Anti-theft device for spectacle frames Patent #: 5144820 InventorsApplicationNo. 986125 filed on 12/05/1997US Classes:351/121, With connector351/111, Temples351/156With head embracing bow or chainExaminersPrimary: Dang, Hung XuanAttorney, Agent or FirmInternational ClassG02C 005/14AbstractSpectacles without support and contact on either the nose or on the face. It is constituted by a system of suspension and support comprising: bars in contact with the superior temporal region, prolongations of the bars in contact with the occiput on the posterior part of the head and on each bar, projections of support in contact with the temporal region directly anterior to the ear. The bars with their prolongations can constitute a single "U"-shaped element which surrounds completely the posterior part of the head. The present invention is specially meant to wear spectacles without support and contact on the face. | |
