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:
Feb. 23, 1993
Filed:
Aug. 15, 1990
Applicant:
Inventor:
Charles G Purnell, Coventry, GB;
Assignee:
Brico Engineering Limited, Coventry, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; C22C / ;
U.S. Cl.
CPC ...
75246 ; 148334 ; 419-2 ; 419-6 ;
Abstract
Sintered materials and a method are described for the production of ferrous articles, particularly valve seat inserts. The materials are based on A1S1 H11, H12 and H13 materials plus diluent material.