Patent DE-1880-8392

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  • Inventor location: Forsthaus Grüna bei Chemnitz

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Year filed 1877
Year granted 1880
Office DE
Patent number 8392
Inventors Ernst Georg August Baumgarten
Inventor country DE
Applicant person Ernst Georg August Baumgarten
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Fortbewegungs-Apparate für Luft-und Wasserschiffe
English title Locomotion devices for airships and watercraft
Tech fields propulsion, marine, airship
Filing date November 18, 1877
Full specification filed date
Application number
Grant date January 31, 1880
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77
IPCs IPC B64C11/00
CPCs CPC B64D2700/62692, CPC B64C11/00
Family year 1877
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 9303992
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 13
Number of claims 7