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. 13, 1983
Filed:
Mar. 16, 1982
Applicant:
Inventor:
Tadao Enomoto, Tanashi, JP;
Assignee:
Citizen Watch Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
204-4 ;
Abstract
A method of manufacturing components of a timepiece dial, such as timekeeping hands and dial plates, whereby these components can be made extremely thin, while warping is held to a very low level even if the component is subjected to machining operations. The method is based upon utilizing a plurality of electroformed metal layers having different types of internal stress, i.e. compressive or tensile, developed within