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:
Dec. 26, 2023

Filed:

Jun. 15, 2020
Applicant:

Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US);

Inventors:

Frank Gu, Toronto, CA;

Paul Chen, Toronto, CA;

Assignee:

Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04F 13/02 (2006.01); G01N 31/22 (2006.01); G01N 21/78 (2006.01); B82Y 20/00 (2011.01); A61K 33/38 (2006.01); A61L 15/56 (2006.01); A61L 15/44 (2006.01); G01N 21/77 (2006.01);
U.S. Cl.
CPC ...
G04F 13/02 (2013.01); G01N 31/229 (2013.01); A61K 33/38 (2013.01); A61L 15/44 (2013.01); A61L 15/56 (2013.01); B82Y 20/00 (2013.01); G01N 21/77 (2013.01); G01N 21/78 (2013.01);
Abstract

Described are systems and methods which can be used to indicate the period of time elapsed since the occurrence of a triggering event. More particularly, this application relates to systems and methods which can be used to visually indicate the time period elapsed since an article has been removed from its packaging. The system can include an indicator disposed on or within the article and a trigger disposed within the receptacle and in contact with the indicator. The article may be enclosed within a sealable receptacle of the package. The indicator is responsive to a change in a concentration of the trigger in contact with the indicator.


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