Patent FR-1917-498821.22290

From Inventing aviation
Jump to navigation Jump to search

This is the second addition to Patent FR-1917-498821, which was filed 1917-01-16.


Year filed 1917
Year granted 1920
Office FR
Patent number 22290
Inventor country GB
Applicant person
Applicant firm Patent Corporation Limited
Applicant type COMPANY
Applicant is inventor? No
Original title Perfectionnements aux aéroplanes
English title Improvements to airplanes
Tech fields Airplane, biplane, design, construction, frame, wings
Filing date 1917/03/12
Full specification filed date
Application number 22290D
Grant date 1920/12/30
Granted? Yes
Publication date 1921/05/25
Supplementary to patent Patent FR-1917-498821
Related to aircraft? Yes
Serial number
Patent agent Louis Tailfer
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/54
CPCs CPC B64C3/54
Family year 1917
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 18733330
INPADOC family ID 10244577
Number of text pages 3
Number of diagram pages 2
Number of figures 2
Number of claims 7