Difference between revisions of "Patent US-1920-1331221"
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m (Text replacement - "; Sources: [http://worldwide.espacenet.com" to "=== Sources === * [http://worldwide.espacenet.com") |
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|Grant date=1920-02-17 | |Grant date=1920-02-17 | ||
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| − | |CPCs=B64C2700/6274 B64C23/005 | + | |CPCs=CPC B64C2700/6274 B64C23/005 |
|Family year=1918 | |Family year=1918 | ||
|First filing=1 | |First filing=1 | ||
Revision as of 19:13, 9 June 2017
| Year filed | 1918 |
|---|---|
| Year granted | 1920 |
| Office | US |
| Patent number | 1331221 |
| Inventors | Carl R SWANSON |
| Inventor country | |
| Applicant person | SWANSON CARL R |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | |
| English title | |
| Tech fields | |
| 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? | |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C2700/6274 B64C23/005 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 49069258 |
| INPADOC family ID | 44620759 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
Sources
- espacenet Inventor location (imputed): Marshall county, MN (FIPSloc=27089)
