Patent GB-1912-21631

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Year filed 1912
Year granted 1912
Office GB
Patent number 21631
Inventors Adalbert Plaček
Inventor country RU
Applicant person Adalbert Plaček
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in or relating to Aerial Machines
English title Improvements in or relating to Aerial Machines, that is airplane
Tech fields design, whole, frame, lift, design, construction, wings
Filing date 1912-09-23
Full specification filed date 1913-03-13
Application number 191221631D
Grant date 1913-09-23
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent Boult, Wade, and Tennant
Assigned to
National tech categories
IPCs IPC B64C39/00
CPCs CPC B64C2700/6295, CPC B64C39/00
Family year 1912
First filing?
Cites these patents
Citations from after 1930
Application ID 23639616
INPADOC family ID 11127070
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 3