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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.:

US 4224061 B1

PDFFull Text
Date of Patent:
Sep. 23, 1980

Filed:

Jul. 28, 1978

High corrosion resistant and high strength medium cr and low ni

Applicant:
Inventors:

Hisashi Hiraishi, Kyoto, JP;

Toshiaki Morichika, Hirakata, JP;

Shinichi Murakami, Osaka, JP;

Katsutaro Akamatsu, Hirakata, JP;

Assignee:

Kubota Ltd., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

L Dewayne Rutledge

Assistant Examiner:

Peter K Skiff

Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75125 ; 7512 / ; 148 37 ;
Abstract

A high corrosion resistant and high strength medium Cr and low Ni stainless cast steel which is produced from material including predetermined amounts of elements at predetermined weight percentage and remaining portion substantially of Fe. When the above material is further subjected to heat treatments under predetermined conditions, stainless steels superior in yield strength and having stable corrosion resistance against circumstances influenced by strong acids are presented.

Find Patent Forward Citations

Hiraishi, Hisashi. (1980). High corrosion resistant and high strength medium cr and low ni (U.S. Patent No. 4224061). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4224061

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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