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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JACQUES ALEXANDRE MARIE DANLOS
JOSEPH DOMINIQUE CAUZETTE
Original Assignee
JACQUES ALEXANDRE MARIE DANLOS
JOSEPH DOMINIQUE CAUZETTE
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Filing date
Publication date
Application filed by JACQUES ALEXANDRE MARIE DANLOS, JOSEPH DOMINIQUE CAUZETTEfiledCriticalJACQUES ALEXANDRE MARIE DANLOS
Application grantedgrantedCritical
Publication of FR429545ApublicationCriticalpatent/FR429545A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/20—Audible signals, e.g. detonator audible signalling
B61L5/22—Devices for initiating the release of detonators in a certain position of a signal
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR429545D1911-04-281911-04-28Porte-pétards effacable pour signaux d'arret franchissables
ExpiredFR429545A
(fr)