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. 08, 1987
Filed:
Mar. 17, 1986
Applicant:
Inventors:
John H Otteman, Gilroy, CA (US);
John R Lufkin, Whittier, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ; F01P / ;
U.S. Cl.
CPC ...
123 4115 ; 340 57 ; 374145 ;
Abstract
A protection system for internal combustion systems which indicates and alarms the loss of coolant liquid which it detects as a pressure drop at higher temperatures, and then sets off an alarm.
Otteman, John. (1987). Engine overheat protection system (U.S. Patent No. 4691669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4691669
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile