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:
Apr. 14, 1998
Filed:
Jan. 13, 1997
Applicant:
Inventors:
Joachim Grupp, Neuchatel, CH;
Yvan Teres, Cressier, CH;
Jean-Charles Poli, Les Geneveys-sur-Coffrane, CH;
Assignee:
SMH Management Services AG, Biel, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04C / ; G04C / ; G02F / ;
U.S. Cl.
CPC ...
368 82 ; 368 84 ; 368232 ; 368242 ; 349113 ;
Abstract
Device producing an aesthetic effect by means of a field-effect or charge-effect optical shutter (5), allowing, by the switching of a power source (8), a colored decorative design (11) printed onto a non Lambertian optimized diffuse reflector (12), placed against the back face (5a) of the optical shutter, to be uncovered or masked; timepiece wherein the dial is formed wholly or partly by such a device.