Patent US-1912-1154971
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- Inventor location: Salmson and Canton are citizens of France and Unné is a subject of the King of Sweden ; all three are filing from 9, Avenue des Moulineaux, Billancourt, Seine; France.
- Witnesses as shown on the final text page: Antoine Lavux (quite odd, this fairly definitely being Antoine Lavoix of Lavoix et Mosès) and Hanson C. Coxe
Sources
- Patent 1154971 document and bibliographic info on espacenet
- Patent 1154971 at google patents
This is a renewal of a patent which used the serial number 687011, and which was filed 1912-03-29. This patent, along with its American patent, are likely offspring of a French original.
| Year filed | 1912 |
|---|---|
| Year granted | 1915 |
| Office | FR |
| Patent number | 1154971 |
| Inventors | Émile-Jean-Jules Salmson, Pierre-Georges Unné, Georges-Henri-Marius Canton |
| Inventor country | FR, SE |
| Inventor location | |
| Applicant person | Émile-Jean-Jules Salmson, Pierre-Georges Unné, Georges-Henri-Marius Canton |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | VALVE-SPRING |
| English title | Valve-Spring |
| Tech fields | springs, valve |
| Filing date | 1912/11/27 |
| Full specification filed date | |
| Application number | |
| Grant date | 1915/09/28 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent US-1912-1099424 |
| Related to aircraft? | 1 |
| Serial number | 733765 |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC F01L3/10 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 3 |
