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:
Jan. 09, 2024
Filed:
Nov. 18, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takeo Funakawa, Chino, JP;
Katsuo Takano, Kai, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 15/14 (2006.01); G04B 15/08 (2006.01); G04B 13/02 (2006.01);
U.S. Cl.
CPC ...
G04B 15/14 (2013.01); G04B 13/022 (2013.01); G04B 15/08 (2013.01);
Abstract
An escape wheel serving as a watch component that constitutes a drive mechanism of a watch includes a tooth portion, and a base mainly composed of silicon. A contact surface where the tooth portion makes contact with another component includes a recess.