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:
Jan. 04, 1994
Filed:
Jun. 07, 1993
Applicant:
Inventor:
Takahisa Yamashita, Shizuoka, JP;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123549 ; 123552 ;
Abstract
A heating system using a heating device 1 with a positive temperature coefficient thermistor 10 (PTC) is disclosed for the purpose of warming a carburetor/throttle body of an internal combustion engine and a timer device 20 using the PTC 10 for its control.