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. 13, 2016
Filed:
Apr. 27, 2015
Applicant:
Richard C. Harpman, Poland, OH (US);
Inventor:
Richard C. Harpman, Poland, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/75 (2006.01); G01N 33/28 (2006.01); G01N 21/78 (2006.01); G01N 21/84 (2006.01); G01N 21/80 (2006.01);
U.S. Cl.
CPC ...
G01N 33/2888 (2013.01); G01N 21/78 (2013.01); G01N 21/8483 (2013.01); G01N 21/80 (2013.01);
Abstract
A motor vehicle oil quality testing apparatus and system to assess the quality and viability of motor oil in a vehicle to determine if a change of oil is needed. An absorbent strip of chemically treated material is mounted on a self-contained single use display and test card on which a used oil sample is deposited and will change color based on the oil's determined alkalinity in a sealable color comparison chamber indicated to the user if the oil should be changed.
Harpman, Richard. (2016). Colorimetric oil testing apparatus and system (U.S. Patent No. 9442102). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9442102
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile