Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Singer Jean Et Cie SafiledCriticalSinger Jean Et Cie Sa
Priority to CH1277473ApriorityCriticalpatent/CH586416B5/xx
Publication of CH1277473A4publicationCriticalpatent/CH1277473A4/xx
Publication of CH586416B5publicationCriticalpatent/CH586416B5/xx
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/04—Hands; Discs with a single mark or the like
G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
G—PHYSICS
G04—HOROLOGY
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/06—Dials
G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
G—PHYSICS
G04—HOROLOGY
G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
G04D3/0069—Watchmakers' or watch-repairers' machines or tools for working materials for working with non-mechanical means, e.g. chemical, electrochemical, metallising, vapourising; with electron beams, laser beams