Drilldown: Patents

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Patents > Filing date: 1915 & Grant date: 1921 & National tech categories: FR 6.4

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
FR (9)
Inventors:
None (2) · Gabriel Voisin (3) · Lazare-Victor-Joseph Duverne (1) · Louis Blériot (1) · Marius Latour (1) · Maurice-Achille Lécuyer (1)
Inventor country:
FR (9)
Inventor location:
None (8) · Seine (1)
Applicant person:
None (2) · Gabriel Voisin (3) · Lazare-Victor-Joseph Duverne (1) · Louis Blériot (1) · Marius Latour (1) · Maurice-Achille Lécuyer (1)
Applicant firm:
None (7) · Ateliers d'aviation Louis Bréguet (1) · J. Schweitzer et Cie (1)
Applicant type:
COMPANY (2) · INDIV (7)
Applicant is inventor:
No (2) · Yes (7)
Tech fields:
None (9)
Filing date:
February 1915 (1) · April 1915 (1) · May 1915 (1) · June 1915 (3) · July 1915 (3)
Full specification filed date:
None (9)
Application number:
23309D (1) · 23784D (1) · 523791D (1) · 523792D (1) · 524791D (1) · 524792D (1) · 524799D (1) · 525800D (1) · 526486D (1)
Grant date:
February 1921 (1) · April 1921 (2) · May 1921 (1) · June 1921 (2) · August 1921 (1) · September 1921 (2)
Granted:
Yes (9)
Publication date:
August 1921 (2) · September 1921 (2) · October 1921 (1) · November 1921 (1) · December 1921 (1)
Supplementary to patent:
None (7) · Patent FR-1908-400578 (1) · Patent FR-1914-471920 (1)
Related to aircraft:
1 (5) · Yes (4)
Patent agent:
None (4) · Armengaud jeune (1) · Charles Dony (1) · Eugene Testavin (1) · Louis Tailfer (1) · Weismann et Marx (1)
Assigned to:
None (9)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C11/14 (1) · IPC B64C13/00 (1) · IPC B64C23/00 (2) · IPC B64C25/00 (1) · IPC B64C27/46 (1) · IPC B64C3/00 (1) · IPC B64C3/18 (1) · IPC B64C35/00 (1)
CPCs:
CPC B64C11/14 (1) · CPC B64C13/00 (1) · CPC B64C23/005 (2) · CPC B64C27/46 (1) · CPC B64C2700/6256 (1) · CPC B64C2700/6274 (2) · CPC B64C3/00 (1) · CPC B64C3/185 (1) · CPC B64C35/00 (1) · CPC B64F2700/6292 (1) · IPC B64C25/34 (1) · IPC B64C25/52 (1) · IPC B64C25/54 (1) · IPC B64C25/62 (1) · IPC B64C25/66 (1) · IPC B64F2700/6226 (1)
Family year:
1908 (1) · 1914 (1) · 1915 (7)
First filing:
No (1) · Yes (8)
Cites these patents:
None (9)
Citations from after 1930:
None (1)
Number of text pages:
2 (5) · 3 (2) · 4 (1) · 6 (1)
Number of claims:
None (3) · 1 (3) · 2 (2) · 4 (1)
Number of diagram pages:
None (1) · 1 (6) · 2 (1) · 4 (1)
Number of figures:
None (3) · 2 (1) · 3 (2) · 4 (1) · 7 (1) · 8 (1)

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