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:
Mar. 15, 1988
Filed:
Oct. 15, 1986
Applicant:
Inventor:
Hideo Uehara, Tanashi, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
368 15 ;
Abstract
A wristwatch with a star map disk rotatably mounted in a caser and a gear train for rotating the star map disk at a speed of one revolution per one sidereal day. A star map is provided on the star map disk. The star map includes bright and constellation figures in a part of the celestial sphere which are selected from visible stars. The dial of the wristwatch has an opening for defining a range of the star map which is visible when observing.
Uehara, Hideo. (1988). Timepiece having a star display (U.S. Patent No. 4731767). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4731767
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile