Difference between revisions of "Patent FR-1909-397291"
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Seemingly mistitled in espacenet bibliography as "Improvements in and relating to electric discharge devices" | Seemingly mistitled in espacenet bibliography as "Improvements in and relating to electric discharge devices" | ||
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+ | Supplementary to German original filed 2 October 1908. | ||
=== Sources === | === Sources === |
Revision as of 13:31, 18 April 2022
Seemingly mistitled in espacenet bibliography as "Improvements in and relating to electric discharge devices"
Supplementary to German original filed 2 October 1908.
Sources
- espacenet Original patent document and bibliography entry on espacenet
Year filed | 1908 |
---|---|
Year granted | 1909 |
Office | FR |
Patent number | 397291 |
Inventors | W.J. Hoffmann |
Inventor country | DE |
Applicant person | W.J. Hoffmann |
Applicant firm | |
Applicant type | |
Applicant is inventor? | 0 |
Original title | Gouvernail de tête ou d'altitude pour aérostats |
English title | |
Tech fields | ignition |
Filing date | 1908-12-09 |
Full specification filed date | |
Application number | 397291D |
Grant date | 1909-05-04 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64B1/00, IPC H01J1/20 |
CPCs | CPC B64B1/00, CPC H01J1/20 |
Family year | 1908 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19216682 |
INPADOC family ID | 5295310 |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |