Patent NL-1919-6062

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This patent's original refers to a British filing date 1918-08-02. This patent is another in which the registration date is the same as the publication date. Filing date is always key.

Sources


Year filed 1919
Year granted 1921
Office NL
Patent number 6062
Inventors Alexander Albert Holle
Inventor country GB
Applicant person Alexander Albert Holle
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Verbeteringen aan de vleugels van vliegmachines en andere luchtvaartuigen
English title Improvements to the wings of flying machines and other aircraft
Tech fields Wings, Heavier-than-air, aerodynamics, lift
Filing date 1919-07-29
Full specification filed date
Application number 12601
Grant date 1921-05-11
Granted? 1
Publication date 1920-08-02
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories NL 62, NL 62.7
IPCs IPC B64C3/14
CPCs CPC B64C3/14
Family year 1918
First filing? 0
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 9
Number of claims