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:
Dec. 15, 2015
Filed:
Sep. 18, 2008
Junji Satoh, Kawagoe, JP;
Yoshitsugu Shibuya, Toda, JP;
Maki Hayakawa, Kodaira, JP;
Ryota Koike, Musashimurayama, JP;
Junji Satoh, Kawagoe, JP;
Yoshitsugu Shibuya, Toda, JP;
Maki Hayakawa, Kodaira, JP;
Ryota Koike, Musashimurayama, JP;
CITIZEN HOLDINGS CO., LTD., Tokyo, JP;
Abstract
A decorative part comprising a hardening layer having a pink Au alloy coating film on a surface of the part. The hardening layer is obtainable by laminating a base layer, a primary layer and a finishing layer from the side of a substrate. The base layer comprises a metal layer comprising one metal or two or more metals selected from Hf, Ti and Zr and, superimposed thereon, a compound layer comprising the same metal constituting the metal layer and further comprising nitrogen, carbon or oxygen. The primary layer has a laminating structure such that an Au alloy layer, and a compound layer comprising one metal or two or more metals selected from Hf, Ti and Zr and further comprising nitrogen, carbon or oxygen are laminated one after the other. The finishing layer comprises an Au alloy layer.