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.)
Stone J and Co Ltd
J Stone and Co Ltd
Original Assignee
Stone J and Co Ltd
J Stone and Co Ltd
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 Stone J and Co Ltd, J Stone and Co LtdfiledCriticalStone J and Co Ltd
Application grantedgrantedCritical
Publication of FR452864ApublicationCriticalpatent/FR452864A/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)
FR452864D1912-01-091913-01-04Perfectionnements apportés aux systèmes de ventilation des voitures de chemins de fer et autres véhicules
ExpiredFR452864A
(fr)
Perfectionnements apportés à la construction des attelages automatiques ou des dispositifs analogues destinés à etre appliqués aux voitures de chemins de fer ou aux véhicules analogues
Perfectionnements apportés aux systèmes de freinage pour trains de chemins de fer, et, notamment, pour trains de montagnes russes et autres chemins de fer de plaisir