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.

Date of Patent:
Feb. 04, 2025

Filed:

Jan. 31, 2019
Applicant:

Transitions Optical, Ltd., Tuam, IE;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09B 23/22 (2006.01); G01M 11/02 (2006.01);
U.S. Cl.
CPC ...
G09B 23/22 (2013.01); G01M 11/0285 (2013.01);
Abstract

A demonstration device for demonstrating at least one thermally-reversible characteristic of a photochromic optical article, such as an optical article having a photochromic material, having a housing defining an interior, and an inspection platform within the interior of the housing configured for supporting at least a portion of the optical article. The demonstration device further has at least one ultraviolet light source configured to radiate ultraviolet light into the interior of the housing, and at least one inspection light source configured to illuminate at least a portion of the interior of the housing. The demonstration device further has at least one heating device configured to heat at least a portion of the interior of the housing. The at least one heating device has at least one heat source and at least one fan.


Find Patent Forward Citations

Carpenter, William. (2025). Demonstration device for photochromic lenses (U.S. Patent No. 12217623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12217623

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

Loading…