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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 10182889 B1

PDFFull Text
Expired
Date of Patent:
Jan. 22, 2019

Filed:

Mar. 19, 2015

Magnet assembly for dental magnetic attachment

Applicant:

Hitachi Metals, Ltd., Tokyo, JP;

Inventors:

Yukyo Takada, Sendai, JP;

Masatoshi Takahashi, Sendai, JP;

Akira Kikuchi, Takasaki, JP;

Assignee:

HITACHI METALS, LTD., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Yogesh Patel

Assistant Examiner:

Gwen M Demosky

Int. Cl.
CPC ...
A61C 13/235 (2006.01); A61C 8/00 (2006.01); C23C 8/26 (2006.01); C23C 8/80 (2006.01); C22C 38/00 (2006.01); C22C 38/40 (2006.01); C21D 6/00 (2006.01); C21D 8/12 (2006.01); C23C 8/02 (2006.01); B23K 31/02 (2006.01); C21D 9/52 (2006.01); C22C 38/44 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
A61C 8/0081 (2013.01); A61C 8/00 (2013.01); A61C 13/235 (2013.01); B23K 31/02 (2013.01); C21D 6/002 (2013.01); C21D 6/004 (2013.01); C21D 8/12 (2013.01); C21D 9/525 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/40 (2013.01); C22C 38/44 (2013.01); C23C 8/02 (2013.01); C23C 8/26 (2013.01); C23C 8/80 (2013.01); B23K 2103/05 (2018.08); C21D 2211/005 (2013.01); C21D 2251/04 (2013.01);
Abstract

A magnet assembly for a dental magnetic attachment comprising a cup-shaped yoke of substantially Ni-free ferritic stainless steel, a permanent magnet received in a recess of the cup-shaped yoke, a seal member sealing an opening of the cup-shaped yoke, and an abutment-welded portion of the seal member and the cup-shaped yoke; the seal member comprising a center portion of substantially Ni-free ferritic stainless steel; an intermediate portion of substantially Ni-free austenitic stainless steel having a nitrogen content of 0.5-2.0% by mass, and a peripheral portion made of substantially Ni-free ferritic stainless steel having a nitrogen content of 1.3% or less by mass, smaller than in the intermediate portion.

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Takada, Yukyo. (2019). Magnet assembly for dental magnetic attachment (U.S. Patent No. 10182889). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10182889

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

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