Producing prostheses
Patent 5298115 Issued on March 29, 1994. Estimated Expiration Date: 
July 6, 2012. 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.
July 6, 2012. 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 3325319 3420142 3508108 Intraocular and extraocular lens construction and method of making the same Patent #: 4466858 InventorApplicationNo. 856029 filed on 07/06/1992US Classes:216/52, MECHANICALLY SHAPING, DEFORMING, OR ABRADING OF SUBSTRATE205/666, Using mask216/41, MASKING OF A SUBSTRATE USING MATERIAL RESISTANT TO AN ETCHANT (I.E., ETCH RESIST)216/100Substrate contains elemental metal, alloy thereof, or metal compoundExaminersPrimary: Powell, William A.Attorney, Agent or FirmForeign Patent References
International ClassesB44C 001/22B29C 037/00 C23F 001/00 Foreign Application Priority Data1989-11-09 GBAbstractA method and apparatus for the production of prostheses used in orthopaedic and trauma surgery for pinning broken bones wherein the method includes the steps of predetermining the shape of the article required, selecting a sheet material blank from which the article is formed, processing the blank by removing material therefrom to leave an article of the predetermined shape or a processed blank from which an article of the predetermined shape is made by bending the blank, and removing the material using an etching process. The apparatus includes a blank processing device for predetermining the shape of the article required and processing the blank by removing material therefrom to leave an article of the predetermined shape or a process blank from which the article of the predetermined shape may be made by bending the blank. An etching device is provided for removing material from the blank.Other References
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