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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ALF ET H PLASSCHAERT FRERES
Original Assignee
ALF ET H PLASSCHAERT FRERES
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Filing date
Publication date
Application filed by ALF ET H PLASSCHAERT FRERESfiledCriticalALF ET H PLASSCHAERT FRERES
Application grantedgrantedCritical
Publication of FR471950ApublicationCriticalpatent/FR471950A/fr
G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
G07C1/26—Pigeon-timing or like equipment
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR471950D1913-10-181914-05-07Dispositif pour empecher les fraudes dans les appareils de controle avec mouvement d'horlogerie
ExpiredFR471950A
(fr)