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:
Mar. 09, 2004
Filed:
Sep. 30, 2002
Edgar Watson, Jr., Grayslake, IL (US);
Timothy W. Caraher, Richmond, VA (US);
Mindy R. Bennett, Chesterfield, VA (US);
Joseph E. Roehl, Fredericksburg, VA (US);
Mark J. Greenfield, Richmond, VA (US);
Amber J. Ericsson, Richmond, VA (US);
Scentczar Corporation, Fredericksburg, VA (US);
Abstract
The present invention is directed toward a residual life indicator. The residual life indicator comprises a solid, surface active, waterproof support medium having a concentric pattern imprinted thereon. The concentric pattern comprises a center pattern and at least one outer pattern. An indicator dye spot is disposed within the center pattern of the concentric patter. When the indicator dye is exposed to contaminants, the indicator dye spot visually moves toward the outer pattern.