Patent US-1911-981367
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Sources
- Patent 981367 document and bibliographic info on espacenet
- Patent 981367 at google patents big frame; arrays of cones (conical pockets); based on the old and well known principle...by which a hollow cone when thrown point on into the air flies truly and lands easily, being comparatively free from disturbances of minor magnitude in the atmosphere; throw a switch and change the angle of the cones to act as parachutes on descent; skids below.
- Original via Espacenet
Inventor location (imputed by HistPat): Washington, DC
Year filed | 1909 |
---|---|
Year granted | 1911 |
Office | US |
Patent number | 981367 |
Inventors | Frederick Brackett |
Inventor country | US |
Applicant person | Frederick Brackett |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Air-craft |
English title | Air-craft |
Tech fields | airplane, landing, safety, stability, frame, airfoil, marine, design |
Filing date | November 17, 1909 |
Full specification filed date | |
Application number | 19090528561 |
Grant date | January 10, 1911 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | 528561 |
Patent agent | |
Assigned to | |
National tech categories | USPC 244/139 |
IPCs | |
CPCs | CPC B64C39/08 |
Family year | 1909 |
First filing? | No |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 4 |
Number of diagram pages | 2 |
Number of figures | 5 |
Number of claims | 18 |