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. 15, 1983
Filed:
Jul. 06, 1981
Applicant:
Inventor:
Paul G Daugirda, Evergreen Park, IL (US);
Assignee:
Rheem Manufacturing Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165 76 ; 165133 ; 1651 / ; 165146 ; 165158 ;
Abstract
A hot water heater tank is formed from a cylindrical body or tube and a header subassembly. The header subassembly includes first and second headers sized to fit in separately sized sections of the body of the tank. The subassembly, comprising the headers and interconnecting heat exchange tubes, is coated with a protective ceramic material prior to insertion into the cylindrical body of the tank.