Patent FR-1908-381251

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Patent family descending from Patent US-1907-871926

Sources


Year filed 1907
Year granted 1907
Office FR
Patent number 381251
Inventors Louis Gathmann
Inventor country US
Applicant person Louis Gathmann
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements apportés aux hélices pour machines volantes
English title Improvement to aerial propellers
Tech fields propellers
Filing date August 24, 1907
Full specification filed date
Application number 381251D
Grant date 1907-11-04
Granted? 1
Publication date January 7, 1908
Supplementary to patent Patent US-1907-871926
Related to aircraft? 1
Serial number
Patent agent Chassevent
Assigned to
National tech categories FR 6.4
IPCs IPC B64C27/00
CPCs CPC B64C27/00
Family year 1907
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19201029
INPADOC family ID 5282324
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 1