Decorative article and timepiece

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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C428S216000, C428S336000, C428S469000, C428S699000, C428S704000

Reexamination Certificate



A decorative article1A for a timepiece or the like is provided having a superior aesthetic appearance that can be maintained over a long period of time. The decorative article1A has a substrate2wherein at least part of the surface vicinity is primarily configured from Ti and/or stainless steel, a first coat3formed on the substrate2, and a second coat4formed on the first coat3. The first coat3is configured primarily from TiCN, and the combined C content and N content in the first coat3is 5 to 30 wt %. The second coat4is configured primarily from M (where M is one or more elements selected from Ti, Pt, Pd, and In). The average thickness of the first coat3is 1.6 to 5 μm. The average thickness of the second coat4is 0.15 to 0.5 μm.

patent: 4699850 (1987-10-01), Kishi et al.
patent: 4791017 (1988-12-01), Hofmann et al.
patent: 5985469 (1999-11-01), Kurakata et al.
patent: 2004/0237587 (2004-12-01), Dubnicka
patent: 0621350 (1994-10-01), None
patent: 0686706 (1995-12-01), None
patent: 1286234 (2003-02-01), None
patent: 59035676 (1984-02-01), None
patent: 60056064 (1985-04-01), None
patent: 62146255 (1987-06-01), None
patent: 02166270 (1990-06-01), None
patent: 0413860 (1992-01-01), None
patent: 06025836 (1994-02-01), None
patent: 06101018 (1994-04-01), None
patent: 06346239 (1994-12-01), None
patent: 2002206161 (2002-07-01), None
patent: WO-9518248 (1995-07-01), None


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