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. 20, 2004
Filed:
Mar. 01, 2002
Applicant:
Inventors:
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/30 ;
U.S. Cl.
CPC ...
H03B 5/30 ;
Abstract
A vibrating reed includes a base; and a vibration arm section formed so as to protrude from this base wherein a through groove is formed in the vibration arm section, and a rigidity reinforcing section is provided in the through groove, and thus the frequency is not decreased and the CI value is not increased.
Sakata, Junichiro. (2004). Vibrating reed, vibrator, oscillator, and electronic device (U.S. Patent No. 6724271). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6724271
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile