Patent FR-1920-498979
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Supplementary to a British patent of 1 nov 1916.
- Inventor location (imputed):
Sources
| Year filed | 1917 |
|---|---|
| Year granted | 1920 |
| Office | FR |
| Patent number | 498979 |
| Inventors | Thomas Sopwith |
| Inventor country | GB |
| Applicant person | Thomas Sopwith |
| Applicant firm | Sopwith Aviation Company |
| Applicant type | COMPANY+INDIV |
| Applicant is inventor? | 0 |
| Original title | |
| English title | |
| Tech fields | |
| Filing date | 1917-04-27 |
| Full specification filed date | |
| Application number | 498979D |
| Grant date | 1920-01-28 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B65H9/16, IPC B64C9/32 |
| CPCs | CPC B65H9/166, CPC B64C9/32 |
| Family year | 1917 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19316057 |
| INPADOC family ID | 5379020 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
