Eye glass frames
Patent 4268130 Issued on May 19, 1981. Estimated Expiration Date: 
June 12, 1998. 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.
June 12, 1998. 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 D175269 D191919 D203483 1825503 2379928 2684014 2730924 3425774 3654376 Elastic hinge for a pair of spectacles InventorApplicationNo. 05/914685 filed on 06/12/1978US Classes:351/121, With connector351/90Split rim mountingExaminersPrimary: Corbin, John K.Assistant: de los Reyes, B. W. International ClassG02C 5/22 (20060101)Foreign Application Priority Data1977-06-21 CAAbstractA novel form of eyeglass structure is provided in which the lenses are compressively supported at least at two opposed corners without screws or alternate fastening means. A novel hinge structure is also provided in which two cooperating parts of the hinge are resiliently secured together for facility in assembly and maintenance.Other References
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