Patent FR-1878-123636

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File:FR-1878-123636.jpeg
Info from CdB 1878

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
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