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.)
Ateliers Roger De Magondeaux &
Original Assignee
Ateliers Roger De Magondeaux &
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Application filed by Ateliers Roger De Magondeaux &filedCriticalAteliers Roger De Magondeaux &
Application grantedgrantedCritical
Publication of FR44716EpublicationCriticalpatent/FR44716E/fr
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B23/00—Filters for breathing-protection purposes
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Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
FR44716D1933-12-121933-12-12Perfectionnements apportés aux moyens de protection contre les poussières, les fumées, les brouillards et les gaz
ExpiredFR44716E
(fr)