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. 10, 2007
Filed:
Jul. 01, 2004
Applicant:
Edward F. Bulgajewski, Genoa, IL (US);
Inventor:
Edward F. Bulgajewski, Genoa, IL (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heating device includes a conductive layer on an electrically insulated substrate. The substrate and conductive layer have a plurality of cross-like apertures therethrough. The conductive layer includes busses and traces extending from the busses, the traces surrounding the apertures. A resistive or thermistor layer is provided over the conductive layer.