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:
May. 19, 1998
Filed:
Feb. 14, 1996
Yutaka Nakamura, Tokyo, JP;
Orient Watch Co., Tokyo, JP;
Abstract
A golden ornament having formed on a substrate either golden coating incorporating gold, iron, and oxygen therein or a golden coating comprising gold, iron, and oxygen; a golden ornament having formed on a substrate an undercoating layer comprising a Ti compound or a Zr compound and further formed on the undercoating layer a golden coating comprising gold, iron, and oxygen; the golden coating having the magnitudes of color tones, L*, a*, and b*, in the respective ranges, 90.gtoreq.L*.gtoreq.75, 10.gtoreq.a*.gtoreq.0, and 40.gtoreq.b*.gtoreq.20; and a method for the production of the golden ornament characterized by having the golden coating formed by the physical vapor deposition of gold and iron on the substrate or the undercoating layer in an ambient air containing oxygen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile