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:
Sep. 23, 1980
Filed:
Oct. 12, 1978
Applicant:
Inventors:
Hidetaka Tutiya, Akishima, JP;
Masahiko Waki, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B / ; F16B / ; F16B / ;
U.S. Cl.
CPC ...
368283 ; 403297 ; 403295 ; 368286 ; 368276 ;
Abstract
A retaining spring for fixedly retaining a case band and a back cover of a wristwatch case, which retaining spring comprises a fixing portion secured to one of the case band and the back cover, a weakened or torsionable portion extending from the fixing portion, and an engaging portion connected to the fixing portion through the weakened or torsionable portion and engaging with the other one of said case band and said back cover.