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:
Jan. 25, 1977

Filed:

Sep. 03, 1975
Applicant:
Inventors:

Daniel Thivellier, Faverges, FR;

Leon Seraphin, Ugine, FR;

Roland Tricot, Albertville, FR;

Assignee:

Ugine Aciers, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ;
Abstract

Free machining low alloy steel compositions are prepared by addition of very small quantities of at least magnesium to previously deoxidized steel to provide a homogeneous distribution of globular sulfides and sulfurous inclusions of the additive.


Find Patent Forward Citations

Thivellier, Daniel. (1977). Free machining steel (U.S. Patent No. 4004922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4004922

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

Loading…