Patent MX-1908-8050

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Sources

Edward Beatty, “Mexico Patent Database 1840-1910,” University of Notre Dame: doi:10.7274/R0K64G4F


Year filed 1908
Year granted 1908
Office MX
Patent number 8050
Inventors Federico W. Dufwa
Inventor country CH
Applicant person Federico W. Dufwa
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Mejoras en máquina para volar
English title Improvements in machine to fly
Tech fields
Filing date
Full specification filed date
Application number
Grant date 1908-05-29
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories MX F. III
IPCs
CPCs
Family year 1908
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
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Number of claims