Drilldown: Patents

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Patents > Grant date: 1920 & Publication date: May 1921 & Related to aircraft: Yes

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Year filed:
1915 (1) · 1916 (2) · 1917 (2) · 1920 (2)
Year granted:
(There are no values for this filter)
Office:
FR (7)
Inventors:
None (4) · Albéric de la Celle (1) · Gianni Caproni (1) · René Caudron (1)
Inventor country:
DE (2) · FR (3) · GB (1) · IT (1)
Inventor location:
None (6) · La Ricamarie (1) · Loire (1)
Applicant person:
None (4) · Albéric de la Celle (1) · Gianni Caproni (1) · René Caudron (1)
Applicant firm:
None (3) · Ballonhüllen Gesellschaft m.b.H. (1) · Clerget, Blin and Cie (1) · Gothaer Waggonfabrik A. G.‎ (1) · Patent Corporation Limited (1)
Applicant type:
COMPANY (4) · INDIV (3)
Applicant is inventor:
None (1) · No (2) · Yes (4)
Tech fields:
airplane (6) · biplane (1) · chassis (1) · construction (2) · design (4) · frame (4) · fuselage (1) · incidence (1) · magnet (1) · marine (1) · military (1) · motors (3) · Parachutes (1) · projectile (1) · propellers (1) · stability (1) · subsystem (1) · torpedo (1) · wheels (1) · wings (2)
Filing date:
1915 (1) · 1916 (2) · 1917 (2) · 1920 (2)
Full specification filed date:
None (7)
Application number:
None (2) · 22115D (1) · 22128D (1) · 22249D (1) · 22270D (1) · 22290D (1)
Grant date:
December 2, 1920 (1) · December 7, 1920 (1) · December 11, 1920 (1) · December 16, 1920 (1) · December 28, 1920 (2) · December 30, 1920 (1)
Granted:
Yes (7)
Publication date:
May 3, 1921 (1) · May 13, 1921 (2) · May 23, 1921 (1) · May 24, 1921 (1) · May 25, 1921 (2)
Supplementary to patent:
Patent DE-1916-349065 (1) · Patent DE-1918-02-20 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-10 Ballonhüllen Gesellschaft m.b.H. (1) · Patent FR-1915-498337 (1) · Patent FR-1915-502469 (1) · Patent FR-1916-492699 (1) · Patent FR-1916-493651 (1) · Patent FR-1917-498821 (1) · Patent IT-1915-01-11 Gianni Caproni (1)
Related to aircraft: (Click arrow to add another value)
Patent agent:
Dupont et Elluin (1) · F. Harlé et G. Bruneton (1) · Gaston Petiau (1) · Louis Tailfer (1) · None (1) · Paul Blum (2)
Assigned to:
None (7)
National tech categories:
None (1) · FR 6.4 (6)
IPCs:
IPC B64C1/00 (1) · IPC B64C1/30 (1) · IPC B64C11/00 (1) · IPC B64C11/14 (1) · IPC B64C13/00 (1) · IPC B64C17/00 (1) · IPC B64C3/54 (1) · IPC B64C3/56 (1) · IPC B64D17/52 (1)
CPCs:
CPC B64C1/30 (1) · CPC B64C11/00 (1) · CPC B64C11/14 (1) · CPC B64C13/00 (1) · CPC B64C17/00 (1) · CPC B64C3/54 (1) · CPC B64C3/56 (1) · CPC B64D17/52 (1) · CPC B64D2700/62692 (1)
Family year:
1915 (2) · 1916 (3) · 1917 (1) · 1918 (1)
First filing:
None (2) · No (3) · Yes (2)
Cites these patents:
None (7)
Citations from after 1930:
None (7)
Number of text pages:
2 (3) · 3 (3) · 4 (1)
Number of claims:
1 (5) · 3 (1) · 7 (1)
Number of diagram pages:
1 (6) · 2 (1)
Number of figures:
1 - 2 (1) · 2 - 11 (6)

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