Patent FR-1920-498704

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Year filed 1916
Year granted 1920
Office FR
Patent number 498704
Inventors
Inventor country FR
Applicant person
Applicant firm Société anonyme Astra AB
Applicant type COMPANY
Applicant is inventor? 0
Original title
English title
Tech fields
Filing date 1916-09-22
Full specification filed date
Application number 498704D
Grant date 1920-01-21
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64B1/00
Family year 1916
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19315788
INPADOC family ID 5378775
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources