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:
Dec. 08, 2020
Filed:
Dec. 20, 2018
Applicant:
Carl Zeiss Vision International Gmbh, Aalen, DE;
Inventor:
Ray Steven Spratt, Petaluma, CA (US);
Assignee:
Carl Zeiss Vision International GmbH, Aalen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A42B 3/22 (2006.01); G02C 7/16 (2006.01); G02C 7/02 (2006.01);
U.S. Cl.
CPC ...
A42B 3/22 (2013.01); G02C 7/02 (2013.01); G02C 7/16 (2013.01);
Abstract
A protective shield can be mounted in front of the face of a wearer of a protective helmet. In an as worn orientation, the protective shield extends across the eyes and typically also across the nose of the wearer. The protective shield has at least one arcuate lens portion which, in the as worn orientation, curves across an eye of the wearer. The arcuate lens portion has a horizontal curvature extending in a horizontal direction and a vertical curvature extending in a vertical direction, wherein the vertical curvature is a horizontally varying vertical curvature (κ).