Patent FR-1878-123636
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This is a patent of 15 years.
(Regarding "Patent agent", Adolphe Le Blanc is an educated guess relative to the "Le Blanc et Pagès" we see here in print. French Wikipedia searches on "Pages", "Pagès" and "Pagés" have not thus far proved fruitful. "Page" is an established surname, in France and elsewhere. (Regarding "Inventor location", we only have this Paris, rue Sainte-Apolline, 2, associated with "Le Blanc et Pagès".)
Year filed | |
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Year granted | 1878 |
Office | FR |
Patent number | 123636 |
Inventors | Charles F. Ritchel |
Inventor country | |
Applicant person | Charles F. Ritchel |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Perfectionnements dans les moteurs aériens |
English title | Improvements in aerial motors |
Tech fields | propulsion |
Filing date | |
Full specification filed date | |
Application number | |
Grant date | April 4, 1878 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | Adolphe Le Blanc |
Assigned to | |
National tech categories | FR 6.3 |
IPCs | |
CPCs | |
Family year | |
First filing? | No |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |