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:
Nov. 01, 1988
Filed:
Dec. 22, 1986
Applicant:
Inventors:
John D Ream, Wichita, KS (US);
David M Fetters, Holland, MI (US);
Assignee:
Metal-Fab, Inc., Wichita, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 47 ; 2851331 ; 285419 ;
Abstract
A metal chimney assembly with floating casing walls supported by expansion clips that allow differential expansion longitudinally and radially of banded together chimney wall sections. The clips are attached to interior flue walls and extend outwardly for engagements into retainers on inner circumferences of exterior casing walls and adjacent thereagainst for holding the casing walls in a spaced relationship with the flue walls during expansion and contraction of the chimney wall sections.