The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 1995
Filed:
May. 16, 1991
Applicant:
Inventor:
Lutz Gottschald, Meerbusch, DE;
Assignee:
Wernicke X Co. GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
450 43 ; 451 58 ; 451450 ;
Abstract
An improved process for finishing the edge of corrective lenses made of thermoplastic material or of a mixture of thermoplastic and thermosetting plastic materials. This process includes the steps of dry pre-profiling and dry post-profiling the corrective lens and the further subsequent additional process step of wet final finishing and/or calibrating the corrective lens by using an additional fine grinding wheel and applying cooling liquid to the contact area between said corrective lens and said fine grinding wheel.
Quick Actions:
Gottschald, Lutz. (1995). Process for finishing the edge of corrective lenses made of plastic (U.S. Patent No. 5410843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5410843
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile