Patent US-1917-1274888
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By way of serial number 72759 this patent makes reference to Patent US-1916-1223698. This patent is therefore analogous to Patent DK-1916-22694 in the relation of the latter to Patent DK-1916-21998. These all are ultimately descendants of Patent NO-1915-12-15 Carl Alfred Johansson.
Sources
- Patent 1274888 document and bibliographic info on espacenet
- Patent 1274888 at google patents
- Inventor location: Christiania, Norway
- Witnesses as shown on the final text page C. Vorman and Hedvig Steffens
| Year filed | 1917 |
|---|---|
| Year granted | 1918 |
| Office | US |
| Patent number | 1274888 |
| Inventors | Carl Alfred Johansson |
| Inventor country | NO |
| Applicant person | Carl Alfred Johansson |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | STABILIZATION OF AIRCRAFT |
| English title | Stabilization of aircraft |
| Tech fields | stability, frame |
| Filing date | 1917/02/12 |
| Full specification filed date | |
| Application number | 14829717 |
| Grant date | 1918/08/06 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent US-1916-1223698, Patent NO-1915-12-15 Carl Alfred Johansson |
| Related to aircraft? | Yes |
| Serial number | 148297 |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C3/40 |
| Family year | 1915 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47948815 |
| INPADOC family ID | 11365491 |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
