Patent CH-1916-89773

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Year filed
Year granted 1916
Office CH
Patent number 89773
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 1916-10-27
Full specification filed date
Application number 89773D
Grant date 1921-07-01
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C39/00
Family year 1916
First filing? 0
Cites these patents
Citations from after 1930
Application ID 6088017
INPADOC family ID 3217978
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources