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.

Date of Patent:
Jun. 04, 1996

Filed:

Feb. 07, 1995
Applicant:
Inventors:

William Stasko, West Homestead, PA (US);

Kenneth E Pinnow, Pittsburgh, PA (US);

Assignee:

Crucible Materials Corporation, Syracuse, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75231 ; 75243 ; 75244 ; 75246 ; 419 11 ; 419 28 ; 419 29 ; 419 10 ;
Abstract

A powder-metallurgy produced tool steel article of a hot worked, fully dense, consolidated mass of prealloyed particles of a tool steel alloy having a sulfur content within the range of 0.10 to 0.30 weight percent and a maximum sulfide size below about 15 microns.


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