Patent FR-1913-447992

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Year filed 1912
Year granted 1913
Office FR
Patent number 447992
Inventors Johannes Jacobus Loke
Inventor country NL
Inventor location
Applicant person Johannes Jacobus Loke
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Application nouvelle de la pression atmosphérique et de la raréfaction locale et constante de l'air à la construction d'aéronats dirigeables sans ballon et, par suite, sans gaz
English title New application of atmospheric pressure and local, constant, depletion of air to the construction of air-ships without a balloon and, as a result, without gas
Tech fields LTA, construction, special, rarefaction
Filing date 1912-09-04
Full specification filed date
Application number 447992D
Grant date 1913-01-20
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64B1/58
CPCs CPC B64B1/58
Family year 1912
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19266299
INPADOC family ID 5335901
Number of text pages
Number of diagram pages
Number of figures
Number of claims

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