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:
May. 19, 1987
Filed:
Mar. 14, 1986
Applicant:
Inventor:
John M Nelson, Brockport, NY (US);
Assignee:
Newell Companies, Inc., Freeport, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F23Q / ;
U.S. Cl.
CPC ...
431264 ; 431344 ; 431353 ;
Abstract
A portable, low-pressure propane gas torch including an internal spark igniter is characterized by the absence of the heretofore conventional venturi. Particular ratios of the inside diameters of the orifice member outlet and the burner tube provide an optimum mixture of flammable gas and aspirated air.