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:
Nov. 13, 1990
Filed:
Sep. 05, 1989
Applicant:
Inventor:
Charles J DeBiasi, Allen Park, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ; F02P / ;
U.S. Cl.
CPC ...
123481 ; 731173 ; 123630 ; 324388 ; 324399 ;
Abstract
An open secondary coil of an ignition coil is detected by the use of a reverse current in the primary of the ignition coil to indicate the occurrence of an open secondary coil.