Eye-shielding glasses
Patent 4877320 Issued on October 31, 1989. Estimated Expiration Date: 
October 3, 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.
October 3, 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 References 294833 2296634 2596572 3038375 3497294 3526449 Sunglasses Eyeglasses adapted for sports and protective use Patent #: 4741611 InventorApplicationNo. 252541 filed on 10/03/1988US Classes:351/44, With antiglare or shading351/52, Detachably secured351/62With moisture prevention or absorptionExaminersPrimary: Bovernick, Rodney B.International ClassesG02C 007/10G02C 011/02 G02C 011/08 AbstractEye-shielding glasses contoured to fit and completely cover the human eye area with a one-piece curved lens section is provided with hinge-attached, removable temples. The lens section has a widened overhanging top rim and a narrowed bottom rim formed centrally into an upwardly curved nose rest. The removable temples are pin-hinged inside of side shield hinge housings at both shorter ends of the one-piece lens section. At the hinge end, the temples widen into eye area protecting webbed sides. Both the web sections and the temples are removable and style changes can be accomplished by changing the web sections or the temples. To prevent fogging, vent slits are opened in the web sections partly covered by debris deflectors. In special sports glasses, the top rim is vented in debris deflecting projections and float attachments are provided by snap-in replacement web members and by a top-fitting snap-on tube section. The eye-shielding glasses are foldable for storage and a special nose piece is provided to achieve a more comfortable fitting for various sized human nose shapes.Other References
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