Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Office : FR or IT & Tech fields: None

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Year filed:
1914 (2) · 1915 (10) · 1916 (11) · 1917 (20) · 1918 (28)
Year granted:
(There are no values for this filter)
Office: (Click arrow to add another value)
Inventors:
None (24) · Alliott Verdon Roe (2) · Louis Paulhan (2) · Edmond BERTHELON (2) · Jules CESARIO (2) · APP D AVIAT DOUTRE (2) · Serge Vincent De Bolotoff (2)
Inventor country:
None (7) · DE (1) · FR (43) · GB (13) · IT (1) · NZ (1) · US (5)
Applicant person:
None (11) · HANRIOT (4) · NIEUPORT (3) · APP D AVIAT DOUTRE (2) · JULES CESARIO (2) · EDMOND BERTHELON (2) · Louis Paulhan (2) · Serge Vincent De Bolotoff (2) · Alliott Verdon Roe (2)
Applicant firm:
None (60) · Etablissements Ch. Lefebvre & Cie (1) · North British Rubber Company (1) · Société anonyme Astra AB (1) · Société des Avions Louis Bréguet (5) · Vickers (2) · Westinghouse (1)
Applicant type:
None (7) · COMPANY (26) · INDIV (37) · UNIV-PRO-GOV (1)
Applicant is inventor:
No (38) · Yes (33)
Tech fields: (Click arrow to add another value)
Filing date:
1914 (2) · 1915 (10) · 1916 (11) · 1917 (20) · 1918 (28)
Full specification filed date:
None (71)
Application number:
Grant date:
1919 (1) · 1920 (45) · 1921 (23) · 1922 (2)
Granted:
Yes (71)
Publication date:
January 1920 (1) · May 1920 (2) · July 1920 (1) · September 1920 (1) · August 1921 (2) · November 1921 (1) · September 1922 (1)
Supplementary to patent:
None (68) · Patent FR-1915-11-11 Marius Latour (1) · Patent FR-1915-525800 (1) · Patent FR-1921-524815 (1)
Related to aircraft:
None (1) · 1 (66) · No (1) · Yes (3)
Patent agent:
None (63) · Armengaud jeune (2) · Brandon freres (1) · Charles Assi (1) · Dom. Casalonga (1) · Dony and Lejeune (2) · Eugène Testavin (1)
Assigned to:
None (71)
National tech categories:
None (64) · FR 12.4 (1) · FR 6.4 (6)
IPCs:
None (65) · IPC B64B1/16 (1) · IPC B64C1/064 (1) · IPC B64C13/00 (1) · IPC B64C17/00 (1) · IPC B64C23/00 (1) · IPC B64C33/02 (1) · IPC H03B7/10 (1)
CPCs:
CPC B64C3/00 (6) · CPC B64C17/00 (5) · CPC B64C2700/6256 (5) · CPC B64C2700/6235 (4) · CPC B64C2001/0063 (4) · CPC B64C39/00 (4) · CPC B64C13/00 (4) · CPC B64C2700/6295 (4) · CPC B64C3/185 (3) · CPC B64C2001/0081 (3) · CPC B64C2700/6218 (3)
Family year:
1914 (2) · 1915 (10) · 1916 (11) · 1917 (20) · 1918 (28)
First filing:
No (23) · Yes (48)
Cites these patents:
None (71)
Citations from after 1930:
None (3)
Number of text pages:
None (63) · 1 (1) · 2 (4) · 4 (1) · 5 (1) · 7 (1)
Number of claims:
None (63) · 1 (5) · 2 (2) · 5 (1)
Number of diagram pages:
None (1) · 1 (6) · 4 (1)
Number of figures:
None (1) · 1 - 4 (2) · 4 - 30 (5)

Showing below up to 71 results in range #1 to #71.

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