Headband with multipositioned lenspiece
Patent 4885808 Issued on December 12, 1989. Estimated Expiration Date: 
September 6, 2008. 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.
September 6, 2008. 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 ReferencesEyeglasses Eyeglasses apparatus, and methods of constructing and utilizing same Headband with detachable lenses Eyeglasses for intermittent use Patent #: 4740069 InventorAssigneeApplicationNo. 240793 filed on 09/06/1988US Classes:2/452, On head band2/453, On horizontal pivot351/59, Lens pivots in and out of optical path351/155With support or holder (e.g., on hat or cap)ExaminersPrimary: Nerbun, PeterAttorney, Agent or FirmInternational ClassesA61F 009/02G02C 009/02 AbstractA multiposition lens piece removably attached to an absorbent headband wherein a spring member exerts a rotation-resisting force against the connecting member between lenses to prevent unwanted rotation of the lenses during use. | |
