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

Sources

Year filed 1909
Year granted 1910
Office AT
Patent number 45369
Inventors Raimund Hengl
Inventor country AT
Applicant person
Applicant firm
Applicant type
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
IPCs
CPCs
Family year
First filing?
Number of citations
Cited by
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 4