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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 11591663 B1

PDFFull Text
Date of Patent:
Feb. 28, 2023

Filed:

Aug. 03, 2020

Paramagnetic hard stainless steel and manufacturing process thereof

Applicant:

The Swatch Group Research and Development Ltd, Marin, CH;

Inventor:

Joel Porret, Marin-Epagnier, CH;

Assignee:

The Swatch Group Research and Development Ltd, Marin, CH;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

John A Hevey

Int. Cl.
CPC ...
C21D 8/00 (2006.01); B33Y 70/00 (2020.01); C21D 6/00 (2006.01); C22C 38/40 (2006.01); G04B 13/02 (2006.01); G04B 19/12 (2006.01); G04B 37/22 (2006.01); H01F 1/147 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); G04B 17/06 (2006.01); G04B 19/04 (2006.01);
U.S. Cl.
CPC ...
C21D 8/005 (2013.01); B33Y 70/00 (2014.12); C21D 6/004 (2013.01); C22C 38/40 (2013.01); G04B 13/02 (2013.01); G04B 17/063 (2013.01); G04B 19/042 (2013.01); G04B 19/12 (2013.01); G04B 37/22 (2013.01); H01F 1/147 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); C21D 2211/001 (2013.01); C21D 2211/005 (2013.01); C22C 2202/02 (2013.01);
Abstract

A paramagnetic stainless steel with a chemical composition including by weight: 26≤Cr≤40%, 5≤Ni≤20%, 0≤Mn≤5%, 0≤Al≤5%, 0≤Mo≤3%, 0≤Cu≤2%, 0≤Si≤5%, 0≤Ti≤1%, 0≤Nb≤1%, 0≤C≤0.1%, 0≤N≤0.1%, 0≤S≤0.5%, 0≤P≤0.1%, the remainder consisting of iron and any impurities each having a content less than or equal to 0.5%, the steel having a hardness HV10 between 500 and 900. It also relates to a part particularly a horological component made of this steel and to the process for manufacturing the part.

Find Patent Forward Citations

Porret, Joel. (2023). Paramagnetic hard stainless steel and manufacturing process thereof (U.S. Patent No. 11591663). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11591663

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

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