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. 27, 2003
Filed:
Jul. 24, 2001
Applicant:
Inventors:
Calvin Bates, Monroeville, PA (US);
Daniel W. Severa, Brackenridge, PA (US);
Joseph P. Harenski, Export, PA (US);
Roger W. Kaufold, Pittsburgh, PA (US);
Patricia A. Stewart, Pittsburgh, PA (US);
Larry F. Wieserman, Apollo, PA (US);
Assignee:
Alcoa Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 3/00 ;
U.S. Cl.
CPC ...
C21B 3/00 ;
Abstract
A spacer member in a furnace including an aluminum tube containing a ceramic material. The ceramic material provides high compressive strength and the composite product resists high temperature creep.