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)
- Witnesses as shown on the diagram pages: Theo. ... and R. H. Krenkel
- Witnesses as shown on the final text page: Ellen I. Callfant and R. H. Krinkel ; this type-entered data, in both cases, is peculiar, in that “Callfant” is oddly suggestive of the inventor’s surname, and “Krinkel” contradicts the above “Krenkel”, which is handwritten but unusually legible and appears elsewhere in our data.
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 |
| Inventor location | |
| Applicant person | Brantly Chalfant |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| 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? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 519796 |
| Patent agent | Joshua R. H. Potts |
| Assigned to | |
| National tech categories | USPC 244/904 |
| IPCs | |
| CPCs | CPC B64C31/02 |
| Family year | 1909 |
| First filing? | Yes |
| 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 |
