Patent DE-1894-77895

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Year filed 1893
Year granted 1894
Office DE
Patent number 77895
Inventors Richard Czygan
Inventor country DE
Applicant person Richard Czygan
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Drehpropeller für Luftschiffe
English title Propeller for airships
Tech fields propulsion, propeller
Filing date 1893-04-17
Full specification filed date
Application number
Grant date 1894-01-05
Granted? 1
Publication date 1894-11-05
Supplementary to patent Patent DE-1893-73799
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories DE 77
IPCs
CPCs
Family year 1893
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 6
Number of claims