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. 12, 1999
Filed:
Apr. 22, 1997
Applicant:
Inventor:
Samuel L Van Horn, Bloomingburg, OH (US);
Assignee:
Lyemance International, Jeffersonville, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23L / ;
U.S. Cl.
CPC ...
454-4 ; 454-7 ;
Abstract
A chimney damper and cap system containing a support base securable to the top of a chimney flue, an increased air flow bracket containing a support tube opening, an inner support tube secured to the bottom of the chimney cap, an outer support tube into which the inner support tube is slidably engaged, an inner and outer spring substantially contained within the inner and outer support tube, wherein the inner spring is secured to the chimney cap, and a damper cable secured to the inner spring, wherein the outer spring biases the chimney cap to an open position.