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:
Apr. 06, 1993
Filed:
Nov. 12, 1991
Applicant:
Inventors:
Han-Sheng Lee, Bloomfield Hills, MI (US);
Su-Chee S Wang, Sterling Heights, MI (US);
Otto J Klingenmaier, Warren, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; C23F / ;
U.S. Cl.
CPC ...
156651 ; 73116 ; 156656 ; 1566591 ; 156664 ; 437187 ; 437228 ; 437245 ;
Abstract
Disclosed is an oil sensor having roughened electrode surfaces to produce oil condition related output current or voltage from the automotive engine oil as it is used.
Lee, Han-Sheng. (1993). Oil microsensor having interdigitated electrodes with rough surfaces and (U.S. Patent No. 5200027). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5200027
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile