Patent US-1915-1231444
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Here we have "wing", potentially aeroplane, used in a manner equivalent to "blade" ; all indications are that this invention sits firmly within our analysis of developments in the specific design of propellers.
- Inventor location: Springfield, IL
- Witnesses as shown on the diagram page: ... Berrignan and ... Logan ; we are dealing with legibility issues here, as well as regarding the patent attorney.
- Witnesses as shown on the final text page: William W. Adams and Walter H. Bestrom
Sources
- Patent 1231444 document and bibliographic info on espacenet
- Patent 1231444 at google patents
| Year filed | 1915 |
|---|---|
| Year granted | 1917 |
| Office | US |
| Patent number | 1231444 |
| Inventors | Ruter William Springer |
| Inventor country | US |
| Inventor location | |
| Applicant person | Ruter William Springer |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | WING OR PROPELLER FOR AERIAL DYNAMICS AND OTHER PURPOSES |
| English title | Wing or propeller for aerial dynamics and other purposes |
| Tech fields | propellers, design, aerodynamics, HTA, propulsion |
| Filing date | 1915/03/29 |
| Full specification filed date | |
| Application number | 1796115 |
| Grant date | 1917/06/26 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 17961 |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C3/14 |
| Family year | 1915 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47871543 |
| INPADOC family ID | 43497284 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 4 |
