Patent FR-1915-478617

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Patent agent Barlow et Gentizon whom we have elsewhere as Barlow et Gentizu seems to have been fairly minor, in terms of our primary interests. The surname Barlow comes up in other capacities.

  • Inventor location: Spain


Year filed 1915
Year granted 1915
Office FR
Patent number 478617
Inventors Leonardo Torres Quevedo
Inventor country ES
Applicant person Leonardo Torres Quevedo
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Ballon fusiforme indéformable
English title unwarpable spindle-shaped balloon
Tech fields LTA, frame, balloons, rigid
Filing date 1915-05-06
Full specification filed date
Application number 478617D
Grant date 1915-10-02
Granted? 1
Publication date 1915-12-24
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Barlow et Gentizon
Assigned to
National tech categories FR 6.4
IPCs IPC B64B1/00
CPCs CPC B64B1/00
Family year 1915
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19296207
INPADOC family ID 5361334
Number of text pages 2
Number of diagram pages 1
Number of figures 7
Number of claims 2