Patent FR-1881-124576E3

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Year filed 1881
Year granted 1881
Office FR
Patent number 124576E3
Inventors Comte Antoine Apraxine
Inventor country RU
Applicant person Comte Antoine Apraxine
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux ballons aériens
English title improvements brought to aerial balloons
Tech fields balloon, LTA
Filing date 1881-03-07
Full specification filed date
Application number
Grant date 1881-03-07
Granted? 1
Publication date
Supplementary to patent Patent FR-1878-124576
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories FR 6.3
IPCs
CPCs
Family year 1878
First filing? 0
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

Sources

  • CdB 1881, p.CXLIII and p.127
  • two other certs d'add on the same patent; using the date given both for "date applied" and "date granted"
  • Inventor location: St. Petersburg