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:
May. 07, 2024
Filed:
Dec. 17, 2020
Crane & Co., Inc., Dalton, MA (US);
Samuel M. Cape, Woodstock, GA (US);
Jonathan D. Gosnell, Cumming, GA (US);
Benjamin E. Bleiman, Cumming, GA (US);
Paul F. Cote, Hollis, NH (US);
Crane & Co., Inc., Dalton, MA (US);
Abstract
A micro-optic security device () includes a planar array of microlenses (), which are configured to focus light along a plurality of focal paths () associated with a viewing angle. The micro-optic security device further includes an icon layer stack () disposed along the plurality of focal paths. The icon layer stack includes a first icon layer () with volumes of cured material of a first color () and volumes of substantially transparent material at locations outside of focal paths of the first range of viewing angles. The icon layer stack also includes a second icon layer () with volumes of substantially transparent cured material at locations along focal paths of the first range of viewing angles, and volumes of cured material of a second color () at locations along focal paths of a second range of viewing angles.