Patent AT-1910-45369

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Hand-launched airplane toy. Energy is stored up in rubber springs by turning the propeller.

Inventor location: Vienna


Year filed 1909
Year granted 1910
Office AT
Patent number 45369
Inventors Raimund Hengl
Inventor country AT
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Spielzeug-Drachenflieger
English title Toy Airplane
Tech fields airplane, toy, fun, propeller, rubber, Drachenflieger, Tragfläche
Filing date 1909-09-02
Full specification filed date
Application number
Grant date 1910-06-15
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77b
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 4