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:
Jan. 22, 1985
Filed:
Sep. 01, 1983
Applicant:
Inventor:
Donald H Petcen, Colonial Heights, VA (US);
Assignee:
Coburn Optical Industries, Inc., Muskogee, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156 80 ; 65 37 ; 156 99 ; 156106 ; 264-11 ; 264-17 ; 351159 ; 351166 ; 351177 ;
Abstract
Disclosed, in a method for preparing a preformed thermoplastic/thermoset wafer for lamination to a prefinished ophthalmic lens, the improvement comprising: storing the preformed thermoplastic/thermoset wafer immediately after manufacture under refrigerating conditions; and subjecting said stored wafer to a temperature of 90.degree. to 120.degree. F. at 50% to 70% RH for no more than 48 hours just prior to lamination of same to an ophthalmic lens.
Petcen, Donald. (1985). Controlled wafer relaxing in making composite lenses (U.S. Patent No. 4495015). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4495015
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile