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:
Sep. 21, 1999
Filed:
Jan. 28, 1999
Applicant:
Inventors:
Gerry W Zajac, Warrenville, IL (US);
James M Gallas, San Antonio, TX (US);
Richard Panosh, Bolingbrook, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; A23F / ;
U.S. Cl.
CPC ...
356436 ; 99285 ;
Abstract
Fresh coffee is transmissible to red light, but as the coffee becomes stale, the organic compounds degrade and the brew becomes less transmissible to the light. To monitor coffee freshness, a beam of light is passed through a transparent coffee pot and the transmissibility of the brew is displayed as a measure of freshness.