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:
Mar. 10, 1998
Filed:
Jul. 24, 1996
Applicant:
Inventor:
William M Rowe, Jr, DeKalb, MS (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361100 ; 361103 ; 361118 ; 323284 ; 219497 ;
Abstract
An electrical heating apparatus comprising a controller, fail safe protection circuit and resistance heating body embedded in a comfort device. The fail safe protection circuit is constructed to detect a break or short circuit in either of the conductors of a PTC type resistance heating body thereby shutting off the comfort device for preventing injury to the user and possible fires.