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:
Jul. 02, 1991
Filed:
Aug. 27, 1990
Applicant:
Inventors:
Jacques Muller, Reconvilier, CH;
Andre Triponez, Lamboing, CH;
Assignee:
ETA S.A. Fabriques d'Ebauches, Grenchen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; C03C / ;
U.S. Cl.
CPC ...
368280 ; 428632 ;
Abstract
An object, which is particularly destined for use in horology or jewelry, includes a substrate which constitutes the framework and which is preferably formed from injected cast aluminium. A decorative and protective coating overlays the substrate, such coating consisting of a deposit of a first layer of aluminium in a substantially pure state and a second layer capping the first, said second layer being constituted of aluminium oxide formed from the first layer. The object may be a watch case or a bracelet link.