Legal status (The legal status 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 status listed.)
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S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England Ltd
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Application filed by S Smith and Sons Ltd, S Smith and Sons England LtdfiledCriticalS Smith and Sons Ltd
Application grantedgrantedCritical
Publication of FR1153367ApublicationCriticalpatent/FR1153367A/fr
G04C21/00—Producing acoustic time signals by electrical means
G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
G04C21/18—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1153367D1955-05-271956-05-28Dispositif électrique à trembleur
ExpiredFR1153367A
(fr)