Difference between revisions of "Patent US-1920-1331221"
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| + | * Tech class [[CPC B64C23/005]]: Influencing air-flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds | ||
| + | * Inventor location: Marshall, Lyon county, MN | ||
| + | === Sources === | ||
| + | {{USpatentsources|1331221}} | ||
{{Patent | {{Patent | ||
|Year filed=1918 | |Year filed=1918 | ||
| Line 4: | Line 8: | ||
|Office=US | |Office=US | ||
|Patent number=1331221 | |Patent number=1331221 | ||
| − | |Inventors=Carl R | + | |Inventors=Carl R. Swanson |
| − | |Applicant person= | + | |Inventor country= |
| + | |Applicant person=Carl R. Swanson | ||
| + | |Applicant firm= | ||
|Applicant type=INDIV | |Applicant type=INDIV | ||
|Applicant is inventor=1 | |Applicant is inventor=1 | ||
| + | |Original title=Aeroplane | ||
| + | |English title=Aeroplane | ||
| + | |Tech field=propellers; whole | ||
|Filing date=1918-10-10 | |Filing date=1918-10-10 | ||
| + | |Full specification filed date= | ||
|Application number=25759918 | |Application number=25759918 | ||
|Grant date=1920-02-17 | |Grant date=1920-02-17 | ||
|Granted=1 | |Granted=1 | ||
| + | |Publication date= | ||
| + | |Supplementary to patent= | ||
| + | |Related to aircraft=1 | ||
| + | |Serial number=257599 | ||
| + | |Patent agent=W. J. FitzGerald | ||
| + | |Assigned to= | ||
| + | |National tech categories=USPC 244/23R; USPC 244/50 | ||
| + | |IPCs=IPC B64C23/00 | ||
|CPCs=CPC B64C2700/6274; CPC B64C23/005 | |CPCs=CPC B64C2700/6274; CPC B64C23/005 | ||
|Family year=1918 | |Family year=1918 | ||
|First filing=1 | |First filing=1 | ||
| + | |Cites these patents= | ||
| + | |Citations from after 1930=4 | ||
|Application ID=49069258 | |Application ID=49069258 | ||
|INPADOC family ID=44620759 | |INPADOC family ID=44620759 | ||
| + | |Number of text pages=3 | ||
| + | |Number of diagram pages=3 | ||
| + | |Number of figures=6 | ||
| + | |Number of claims=4 | ||
}} | }} | ||
| − | |||
| − | |||
| − | |||
Revision as of 16:20, 20 November 2021
- Tech class CPC B64C23/005: Influencing air-flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
- Inventor location: Marshall, Lyon county, MN
Sources
- Patent 1331221 document and bibliographic info on espacenet
- Patent 1331221 at google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1920 |
| Office | US |
| Patent number | 1331221 |
| Inventors | Carl R. Swanson |
| Inventor country | |
| Applicant person | Carl R. Swanson |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aeroplane |
| English title | Aeroplane |
| Tech fields | propellers, whole |
| Filing date | 1918-10-10 |
| Full specification filed date | |
| Application number | 25759918 |
| Grant date | 1920-02-17 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 257599 |
| Patent agent | W. J. FitzGerald |
| Assigned to | |
| National tech categories | USPC 244/23R, USPC 244/50 |
| IPCs | IPC B64C23/00 |
| CPCs | CPC B64C2700/6274, CPC B64C23/005 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 4 |
| Application ID | 49069258 |
| INPADOC family ID | 44620759 |
| Number of text pages | 3 |
| Number of diagram pages | 3 |
| Number of figures | 6 |
| Number of claims | 4 |
