Patent CH-1916-89673

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Sets of rotating wheels with flaps.

  • Inventor location: Bern, Switz

Sources


Year filed 1916
Year granted 1916
Office CH
Patent number 89673
Inventors Jakob Wächter-Gerber
Inventor country CH
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Antriebsvorrichtung an Luftfahrzeugen
English title Aircraft propulsion system
Tech fields propulsion, propeller
Filing date 1916/09/09
Full specification filed date
Application number 89673D
Grant date 1921/06/16
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Nageli & Co.
Assigned to
National tech categories CH 129c
IPCs IPC B64C11/00
CPCs CPC B64C11/006
Family year 1916
First filing? No
Cites these patents
Citations from after 1930
Application ID 6087757
INPADOC family ID 3217856
Number of text pages 5
Number of diagram pages 2
Number of figures 14
Number of claims 9