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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HENRI D AVENAS
LUCIEN JULIE
Original Assignee
HENRI D AVENAS
LUCIEN JULIE
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Application filed by HENRI D AVENAS, LUCIEN JULIEfiledCriticalHENRI D AVENAS
Application grantedgrantedCritical
Publication of FR414218ApublicationCriticalpatent/FR414218A/fr
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K7/00—Sirens
G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
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FR414218D1910-03-291910-03-29Système de frein automatique pour les sirènes de voitures ou canots automobiles
ExpiredFR414218A
(fr)