Patent GB-1912-2540

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Design for folding and unfolding elements in airplane wings.

Treating this as the first patent of a big family; Holle couldn't file in Holland and GB has the earliest known date among them.

Patents which are supplementary to this one

Sources


Year filed 1912
Year granted 1912
Office GB
Patent number 2540
Inventors Alexander Albert Holle
Inventor country NL
Applicant person Alexander Albert Holle
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in and relating to Aeroplanes
English title Aeroplane
Tech fields airplane, airfoil, navigation
Filing date January 31, 1912
Full specification filed date September 2, 1912
Application number 191202540D
Grant date March 19, 1914
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Phillipss
Assigned to
National tech categories
IPCs
CPCs CPC B64C2700/6218, CPC B64C17/00
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23628387
INPADOC family ID 11117408
Number of text pages 7
Number of diagram pages 2
Number of figures
Number of claims