Patent FR-1912-441314

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Propeller blades whose angle can be changed.

This original makes reference to an a priori German filing date 1911-12-15.

Sources


Year filed 1912
Year granted 1912
Office FR
Patent number 441314
Inventors Gustav Mees
Inventor country DE
Applicant person Gustav Mees
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements apportés aux hélices, et surtout aux hélices aériennes, avec pales d'inclinaison modifiable
English title Improvements to propellers, and especially to overhead propellers, with changeable tilt blades
Tech fields propellers, helicopter
Filing date 1912-03-13
Full specification filed date
Application number 441314D
Grant date 1912-05-23
Granted? 1
Publication date 1912-08-03
Supplementary to patent Patent DE-1911-12-15 Gustav Mees
Related to aircraft? 1
Serial number
Patent agent Weismann et Marx
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/06
CPCs CPC B64C11/06
Family year 1911
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19259754
INPADOC family ID 5330260
Number of text pages 3
Number of diagram pages 1
Number of figures 4
Number of claims 1