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.)
Mead Corp
Original Assignee
Mead Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mead CorpfiledCriticalMead Corp
Application grantedgrantedCritical
Publication of FR669673ApublicationCriticalpatent/FR669673A/fr
B61D27/00—Heating, cooling, ventilating, or air-conditioning
B61D27/009—Means for ventilating only
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Air-Flow Control Members
(AREA)
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
FR669673D1927-12-081929-02-15Perfectionnements aux dispositifs de ventilation pour voitures de chemins de fer et autres véhicules
ExpiredFR669673A
(fr)