Drilldown: Patents

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Patents > Tech fields: None & Grant date: March 25, 1920

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
FR (5) · GB (5)
Inventors:
None (4) · Paul Schmitt (5) · Rene Cecil Motte (1)
Inventor country:
FR (7) · GB (3)
Inventor location:
None (9) · Hampshire (1) · Southampton, Hants (1)
Applicant person:
None (1) · Frederick Handley Page (2) · MOTEURS SALMSON (1) · Paul Schmitt (5) · Rene Cecil Motte (1)
Applicant firm:
None (9) · Société anonyme Astra AB (1)
Applicant type:
None (1) · COMPANY (1) · INDIV (8)
Applicant is inventor:
No (4) · Yes (6)
Tech fields: (Click arrow to add another value)
Filing date:
July 1916 (1) · September 1916 (1) · October 1917 (5) · December 1917 (1) · April 1918 (1) · October 1918 (1)
Full specification filed date:
May 13, 1919 (1)
Application number:
None (3) · 1321316 (1) · 1347119 (1) · 1647518 (1) · 1780417 (1) · 503769D (1) · 503777D (1) · 668418 (1)
Grant date:
March 25, 1920 (10)
Granted:
Yes (10)
Publication date:
June 17, 1920 (5)
Supplementary to patent:
None (10)
Related to aircraft:
1 (8) · Yes (2)
Patent agent:
None (4) · M. Zerolo (5) · Stanley, Popplewell & Co. (1)
Assigned to:
None (10)
National tech categories:
None (5) · FR 15.2 (1) · FR 5.8 (1) · FR 6.4 (3)
IPCs:
None (5) · IPC B64C13/00 (1) · IPC B64C35/00 (2) · IPC B64D33/12 (1) · IPC F02D9/00 (1) · IPC F16D13/12 (1)
CPCs:
None (1) · CPC B64C13/00 (3) · CPC B64C2025/008 B64F2700/6226 (1) · CPC B64C25/06 (1) · CPC B64C25/60 (1) · CPC B64C2700/6256 (2) · CPC B64C2700/626 (1) · CPC B64C3/18 (1) · CPC B64C35/00 (2) · CPC B64D33/12 (1) · CPC B64F2700/6276 (1) · CPC F02D2700/0235 (1) · CPC F02D9/00 (1) · F16D13/12 (1)
Family year:
(There are no values for this filter)
First filing:
Yes (10)
Cites these patents:
None (10)
Citations from after 1930:
None (9) · 2 (1)
Number of text pages:
None (4) · 1 (1) · 2 (4) · 5 (1)
Number of claims:
None (4) · 1 (5) · 7 (1)
Number of diagram pages:
None (5) · 1 (4) · 3 (1)
Number of figures:
None (5) · 1 (1) · 2 (1) · 3 (2) · 35 (1)

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