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:
Jun. 22, 2004
Filed:
Oct. 18, 2001
Yuichi Nakamura, Nagano-ken, JP;
Sachio Kasahara, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
In carving a decorative groove ( ) formed in V-shape cross section extending from inside to outside on a dial plate ( ) of a timepiece as a decorative plate, the slant angle of an inner slanted side ( A) forming the V-shape of the decorative groove ( ) is made gentler than an outer slanted side ( B) at an inner part of the spiral, so that action of light reflected on the flat surface of the dial plate ( ) macroscopically becomes similar to the light reflected on a bulging surface to give the central portion of the dial plate ( ) a bulging appearance, whereby a three-dimensional effect is provided by the decorative groove ( ) even when the dial plate ( ) is made of a thin plate, thereby adding depth and a luxurious touch or aspect.