Patent FR-1913-447988.18628

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This is an addition to Patent FR-1912-447988, which brevet was filed 1912-08-29.

Sources


Year filed 1913
Year granted 1914
Office FR
Patent number 18628
Inventors Adolf Sprater
Inventor country DE
Applicant person Adolf Sprater
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Stabilisateur pour aéroplanes
English title Airplane stabilizer
Tech fields airplane, stability
Filing date 1913/09/09
Full specification filed date
Application number 18628D
Grant date 1914/03/10
Granted? Yes
Publication date 1914/05/27
Supplementary to patent Patent FR-1912-447988
Related to aircraft? Yes
Serial number
Patent agent Charles Dony
Assigned to
National tech categories FR 6.4
IPCs IPC B64C1/00, IPC B64C17/00
CPCs CPC B64C17/00, CPC B64C2700/6218
Family year 1912
First filing? No
Cites these patents
Citations from after 1930
Application ID 18729739
INPADOC family ID 5201508
Number of text pages 6
Number of diagram pages 2
Number of figures 10
Number of claims 7