Patent FR-1918-487534

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Year filed 1916
Year granted 1918
Office FR
Patent number 487534
Inventors Ruter William Springer
Inventor country US
Applicant person Ruter William Springer
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1916-10-21
Full specification filed date
Application number 487534D
Grant date 1918-07-10
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C39/005
Family year 1916
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19304851
INPADOC family ID 5369011
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources