Patent · US Active

Composite timepiece or jewellery component with protection for the substrate and its decoration

US11687040B2 · kind B2 · utility

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17Claims
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Assignee

Inventors

Key dates

Filing dateMar 12, 2020
Grant dateJun 27, 2023
Priority date—
Expiry dateSep 6, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C11/02
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method for fabricating a composite timepiece or jewellery component: a base is made in a substrate with an apparent surface remaining visible; each visible apparent surface is mirror polished; each polished apparent surface is coated with a first transparent or coloured semi-transparent layer of a first material in a dry process, or PVD or CVD or ALD process, or lacquering or zapon varnish process; a decorative element is affixed and bonded to an external surface of the first layer; the first layer and each decorative element is coated with a second layer of a transparent treatment material in a dry process, or PVD or CVD or ALD process, or lacquering or zapon varnish process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.