Patent FR-1892-217128.1

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Patent FR-1892-217128.1

Sources

  • BOPI (1892, tome 12)


Year filed 1892
Year granted
Office FR
Patent number 217128.1
Inventors Backman
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title cert d'add. au brevet pris, le 1 octobre 1891, pour un gouvernail gyroscopic
English title cert of addition to the patent taken, 1_ October 1891, for a gyroscopic rudder
Tech fields Navigation, gyroscope, rudder, [[subsystem

Filing date==1892-05-01]]

Filing date
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent Patent FR-1891-217128
Related to aircraft? Yes
Serial number
Patent agent Engelfred
Assigned to
National tech categories FR 6.3
IPCs
CPCs
Family year 1892
First filing?
Cites these patents
Citations from after 1930
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INPADOC family ID
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