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US Patent 7543935 Soft multifocal contact lens

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Patent Citations Received
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US Patent 11953763 Contact lens comprising a superior lenticular aspect
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US Patent 11953762 Contact lens comprising a lenticular in a superior portion of the contact lens
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US Patent 11782295 Friction stabilized contact lenses
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Patent abstract

A multifocal contact lens (10, 50) made of flexible material is able to translocate on an eye by virtue of a lower end (22) of the contact lens (10, 50). being truncated so as to provide a relatively wide surface. The lower end (22) engages with the lower eyelid of a wearer. The lower end (22) may be provided with a forwardly projecting ledge (52).

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US Patent 07543935 Soft multifocal contact lens US Patent 7543935 Soft multifocal contact lens

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Patent Number
0754393500
Patent Number
754393500
Edits on 19 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0754393500
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
075439350
Date of Patent
June 9, 2009
0
Patent Application Number
114426940
Date Filed
May 26, 2006
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075439350
Patent Primary Examiner
Scott Walker
Scott Walker
0
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"Entity importer update"
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edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
075439350
Date of Patent
June 9, 2009
0
Patent Application Number
114426940
Date Filed
May 26, 2006
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075439350
Patent Primary Examiner
Scott Walker
Scott Walker
0
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"Entity importer update"
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07543935
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 US Patent 07543935 Soft multifocal contact lens

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07543935
Date of patent
June 9, 2009
Patent application number
11442694
Date Filed
May 26, 2006
Patent primary examiner
Scott Walker
Scott Walker

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