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Ebauchesfabrik ETA AG
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Ebauchesfabrik ETA AG
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Application filed by Ebauchesfabrik ETA AGfiledCriticalEbauchesfabrik ETA AG
Priority to FR895175ApriorityCriticalpatent/FR1319970A/fr
Application grantedgrantedCritical
Publication of FR1319970ApublicationCriticalpatent/FR1319970A/fr
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
G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR895175A1962-04-201962-04-20Perfectionnement aux sautoirs pour pièces d'horlogerie
ExpiredFR1319970A
(fr)