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:
Oct. 23, 1990
Filed:
Jun. 05, 1989
Applicant:
Inventors:
Akira Yoshitake, Hirakata, JP;
Motoki Sakashita, Hirakata, JP;
Assignee:
Kubota Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
148325 ; 420 61 ;
Abstract
A martensitic stainless steel having high corrosion fatigue strength and excellent corrosion resistance and consisting essentially of over 0 to not greater than 0.06% of C, over 0 to not greater than 2.0% of Si, over 0 to not greater than 2.0% of Mn, 3.0 to 6.0% of Ni, 14 to 17% of Cr, 1 to 3% of Mo, 0.5 to 1.5% of Cu, and the balance Fe and inevitable impurities, as expressed in % by weight.