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:
Nov. 23, 2021
Filed:
Sep. 29, 2017
Applicant:
Sifi Medtech S. P. A., Aci Sant' Antonio, IT;
Inventors:
Renato Frison, Chions, IT;
Maria Cristina Curatolo, Aci Sant' Antonio, IT;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); A61F 2/16 (2006.01);
U.S. Cl.
CPC ...
G02C 7/028 (2013.01); A61F 2/1618 (2013.01); A61F 2/1645 (2015.04); G02C 7/02 (2013.01); A61F 2/1613 (2013.01); G02C 2202/02 (2013.01);
Abstract
A lens for correcting astigmatism, possibly of ocular type, shaped so as to reduce the aberrations caused by accidental displacements with respect to the ideal correction position, in particular so as to ensure satisfactory performance even when rotated with respect to the ideal axis thereof.