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:
Jul. 25, 2000
Filed:
Jun. 10, 1999
Applicant:
Inventor:
Pierre Magnin, Cugy, CH;
Assignee:
Asulab S.A., Bienne, CH;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75244 ; 75246 ; 420 65 ; 420 67 ;
Abstract
The invention concerns a nickel free stainless steel alloy having a ferritic and magnetic structure, characterised in that it contains at least 0.4% in weight of nitrogen, and at most 0.5% in weight of nickel, the remainder being formed of iron and the inevitable impurities. The invention also concerns an external part for a watch made of such a steel alloy.