Patent FR-1920-498979
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Supplementary to a British patent of 1 nov 1916.
Sources
- espacenet
- Original seems not available at espacenet; link to it goes nowhere at this moment
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? | No |
Original title | Perfectionnements dans les freins pour aéroplanes |
English title | Improvements in the brakes for airplanes |
Tech fields | brakes, Braking |
Filing date | April 27, 1917 |
Full specification filed date | |
Application number | 498979D |
Grant date | January 28, 1920 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
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? | No |
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 |