Patent FR-1920-498984

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Year filed 1917
Year granted 1920
Office FR
Patent number 498984
Inventors Alliott Verdon Roe
Inventor country GB
Applicant person Alliott Verdon Roe
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1917-05-03
Full specification filed date
Application number 498984D
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
CPCs F25B15/10, CPC B64C2700/6233, CPC B64C3/00
Family year 1917
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19316062
INPADOC family ID 5379024
Number of text pages
Number of diagram pages
Number of figures
Number of claims