Patent CA-1912-143021
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Fans in ducts; frame with various openings through which air is drawn; folding legs for support on ground
- Inventor location: Leetsdale, Allegheny county, PA
Sources
- Bibliographic info on this patent at CIPO
- Original patent document and bibliography entry on espacenet
- Patent CA143021 on google patents
| Year filed | 1909 |
|---|---|
| Year granted | 1911 |
| Office | CA |
| Patent number | 989455 |
| Inventors | John Washington Wadsworth |
| Inventor country | US |
| Applicant person | John Washington Wadsworth |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Airship |
| English title | Airship |
| Tech fields | airplane, propulsion, propellers, frame, mooring, car |
| Filing date | 1912-04-04 |
| Full specification filed date | |
| Application number | 143021D |
| Grant date | 1912-09-24 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent US-1909-989455 |
| Related to aircraft? | 1 |
| Serial number | 515444 |
| Patent agent | Munn & Co. |
| Assigned to | |
| National tech categories | CA 244/13 |
| IPCs | |
| CPCs | |
| Family year | 1909 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 22 |
| Number of diagram pages | 11 |
| Number of figures | 21 |
| Number of claims | 10 |
