Patent FR-1908-393440

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THIS RECORD HAS DATA ON TWO DIFFERENT PATENTS. It's not clear what patent by Lake is intended. We should look again at L'Aerophile to see whether they actully used the number 393440 here.

The 393440 in espacenet seems quite consistent and is not about dirigibles. That patent: FR393440, Distribution de machine à vapeur par piston soupape, FR 5.2, Inventor: JACQUES WERNLY [DE] , Applicants: Wernly + ATELIERS DE CONSTRUCTION MARTINOT & GALLAND [DE]; CPC F01C21/18. Filing, grant, and publication dates are all in 1908. Template:Come back to this To do

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Year filed
Year granted 1908
Office FR
Patent number 393440
Inventors Lake
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Perfectionnements aux ballons dirigeables
English title Improvements on airships
Tech fields LTA, balloons, dirigibles
Filing date
Full specification filed date
Application number
Grant date 1908-06-26
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
Family year 1908
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims