Page values for "Patent FR-1898-271948.2"

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"Patents" values

1 row is stored for this page
FieldField typeAllowed valuesValue
Year_grantedDate1898
OfficePageFR
Patent_numberString271948.2
InventorsList of Page, delimiter: ;Clément Ader
Inventor_countryList of Page, delimiter: ;FR
Applicant_is_inventorBooleanNo
Original_titleStringcert d'addition au brevet pris, le 6 novembre 1897, pour un ballon dirigeable
English_titleStringcert of addition to the patent taken, 6 November 1897, for a dirigible
Tech_fieldsList of Page, delimiter: ;LTA Balloons Dirigibles
Grant_dateDate1898-06-21
GrantedBooleanYes
Supplementary_to_patentList of Page, delimiter: ;Patent FR-1897-271948
Related_to_aircraftStringYes · Partially · NoYes
National_tech_categoriesList of Page, delimiter: ;FR 6.3
Family_yearDate1898
First_filingBooleanNo