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:
Oct. 24, 2017

Filed:

Dec. 04, 2015
Applicant:

Step Ahead Innovations, Inc., South Burlington, VT (US);

Inventor:

James E. Clark, South Burlington, VT (US);

Assignee:

Step Ahead Innovations, Inc., South Burlington, VT (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/77 (2006.01); A61K 36/185 (2006.01); G06Q 30/02 (2012.01); G01N 21/27 (2006.01); G01N 21/64 (2006.01); G01N 27/06 (2006.01); G01N 21/85 (2006.01); G01N 33/18 (2006.01); G01N 21/78 (2006.01);
U.S. Cl.
CPC ...
G01N 21/77 (2013.01); A61K 36/185 (2013.01); G01N 21/274 (2013.01); G01N 21/643 (2013.01); G01N 21/6428 (2013.01); G01N 21/8507 (2013.01); G01N 27/06 (2013.01); G01N 33/18 (2013.01); G06Q 30/0282 (2013.01); G01N 21/78 (2013.01); G01N 2021/6439 (2013.01); G01N 2201/062 (2013.01); G01N 2201/127 (2013.01); G01N 2201/1211 (2013.01);
Abstract

A chemical indicator element for use in an aquatic environment water parameter testing system. The chemical indicator element includes a chemical indicator and a thin film material having particular optical characteristics tied to the light from a light source, such as a light source of an optical reader element of a water parameter testing system. The chemical indicator element may also include at least one of a backing material that absorbs one or more wavelengths of the light of the light source and a holder including a material that absorbs one or more wavelengths of the light of the light source.


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