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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.:

US 4268133 B1

PDFFull Text
Date of Patent:
May. 19, 1981

Filed:

Oct. 11, 1979

Preferential orientation of contact lenses

Applicant:
Inventors:

David J Fischer, Sarasota, FL (US);

Idella B Wooten, Bradenton, FL (US);

John C Thomas, Sarasota, FL (US);

James A Reid, Sarasota, FL (US);

Assignee:

Bausch & Lomb Incorporated, Rochester, NY (US);

Attorneys:

Phipps; Robert M.

Parker; Frank C.

Primary Examiner:

John K Corbin

Assistant Examiner:

Scott J Sugarman

Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351161 ;
Abstract

An improved contact lens and method of forming the same which causes the lens to adopt and maintain a particular angular orientation upon the eye of a wearer. One or more characters are formed in relief upon a surface of the lens at a point which is intended as the topmost point in the lens when properly oriented. The relieved characters may be used alone or in combination with previously-known means for effecting orientation of the lens.

Find Patent Forward Citations

Fischer, David. (1981). Preferential orientation of contact lenses (U.S. Patent No. 4268133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4268133

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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