Patent FR-1920-498978

From Inventing aviation
Jump to navigation Jump to search


Year filed 1917
Year granted 1920
Office FR
Patent number 498978
Inventors Thomas SOPWITH
Inventor country GB
Applicant person
Applicant firm Sopwith Aviation
Applicant type COMPANY
Applicant is inventor? 0
Original title
English title
Tech fields
Filing date 1917-04-27
Full specification filed date
Application number 498978D
Grant date 1920-01-28
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C25/62, CPC B64C25/06, CPC B64F2700/6226
Family year 1917
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19316056
INPADOC family ID 5379019
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources