Patent FR-1908-381251
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- Diagrams are *not* identical to those of the patent with the right date to be the primary patent. Template:Review later
Patent family descending from Patent US-1907-871926
- Patent US-1907-871926 (English title: Air-propeller for flying-machines, National tech categories: USPC 416/91 • USPC 416/198R • USPC 416/227A • USPC 416/227R)
- Patent GB-1907-18560 (English title: Improvements in Air Propellers for Flying Machines, Supplementary to patent: Patent US-1907-871926)
- Patent FR-1908-381251 (English title: Improvement to aerial propellers, Supplementary to patent: Patent US-1907-871926, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
Year filed | 1907 |
---|---|
Year granted | 1907 |
Office | FR |
Patent number | 381251 |
Inventors | Louis Gathmann |
Inventor country | US |
Applicant person | Louis Gathmann |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Perfectionnements apportés aux hélices pour machines volantes |
English title | Improvement to aerial propellers |
Tech fields | propellers |
Filing date | August 24, 1907 |
Full specification filed date | |
Application number | 381251D |
Grant date | 1907-11-04 |
Granted? | 1 |
Publication date | January 7, 1908 |
Supplementary to patent | Patent US-1907-871926 |
Related to aircraft? | 1 |
Serial number | |
Patent agent | Chassevent |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C27/00 |
CPCs | CPC B64C27/00 |
Family year | 1907 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19201029 |
INPADOC family ID | 5282324 |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 4 |
Number of claims | 1 |