Patent US-1909-990424
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Vessel which the author emphasizes is shaped like a bird, and propellerless; it's not stated explicitly that the wings flap, but neither is another means of propulsion described; glides on the bottom for takeoff and landing; transparent shield (one might say, a windshield) in front of the vessel, to protect the operator
- Tech class CPC B64C31/02: Gliders, e.g. sailplanes
- Inventor location: Philadelphia, Philadelphia county, PA (FIPSloc=42101, imputed by HistPat)
Sources
- Patent 990424 document and bibliographic info on espacenet
- Patent 990424 at google patents
| Year filed | 1909 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 990424 |
| Inventors | Brantly Chalfant |
| Inventor country | US |
| Applicant person | Brantly Chalfant |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flying-machine |
| English title | Flying-machine |
| Tech fields | frame, rudder, ornithopter, takeoff, landing |
| Filing date | 1909-09-27 |
| Full specification filed date | |
| Application number | 1909519796 |
| Grant date | 1911-04-25 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 519796 |
| Patent agent | Joshua R. S. Potts |
| Assigned to | |
| National tech categories | USPC 244/904 |
| IPCs | |
| CPCs | CPC Y10S244/904, CPC B64C31/02 |
| Family year | 1909 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 3 |
| Application ID | 47428984 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 3 |
| Number of figures | 5 |
| Number of claims | 3 |
