Patent FR-1912-439680

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(This is "captive", indeed, affixed to the mast of the individual sea vessel, but it nevertheless utilizes decent and evolving principles of aviation. "Navigation", here, has more particularly to do with the balloon's serving maritime navigational needs than with advancement in balloon navigation otherwise.)


Year filed 1912
Year granted 1912
Office FR
Patent number 439680
Inventors Frederick Brackett
Inventor country US
Applicant person Frederick Brackett
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aérostat captif-vigie pour navires
English title Aerostat captive-lookout for ships
Tech fields LTA, aerostat, construction, marine, navigation
Filing date February 3, 1912
Full specification filed date
Application number 439680D
Grant date April 15, 1912
Granted? Yes
Publication date June 20, 1912
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Brandon frères
Assigned to
National tech categories FR 6.4
IPCs IPC B64B1/00
CPCs CPC B64B1/00
Family year 1912
First filing? No
Cites these patents
Citations from after 1930
Application ID 19258157
INPADOC family ID 5328943
Number of text pages 3
Number of diagram pages 1
Number of figures
Number of claims 2