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:
Dec. 20, 1994
Filed:
Aug. 26, 1991
Applicant:
Inventors:
G William Kuhlman, Shaker Heights, OH (US);
Richard A Beaumont, Avon Lake, OH (US);
Daniel F Carbaugh, Macedonia, OH (US);
David Anderson, Brecksville, OH (US);
Al Farrell, West Lake, OH (US);
Amiya K Chakrabarti, Monroeville, PA (US);
Kenneth P Kinnear, Monroeville, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148677 ; 72377 ; 148621 ; 148624 ; 148676 ; 148409 ; 148410 ; 148426 ; 148427 ; 148428 ; 148429 ;
Abstract
Disclosed is a large alloy forging, the forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy, the forging having a grain size of ASTM grain size 3 or finer, as measured by ASTM method E112 and having a tensile strength in the range of 135 to 175 KSI.