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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National Pneumatic Co Inc
Original Assignee
National Pneumatic Co Inc
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Filing date
Publication date
Application filed by National Pneumatic Co IncfiledCriticalNational Pneumatic Co Inc
Application grantedgrantedCritical
Publication of FR664069ApublicationCriticalpatent/FR664069A/en
E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F15/00—Power-operated mechanisms for wings
E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
FR664069D1928-11-161928-11-16
Improvements to constant speed door closer motors
ExpiredFR664069A
(en)