Patent US-1913-1075540

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  • Inventor location (imputed by HistPat): Philadelphia county, PA (FIPSloc=42101)

Sources


Year filed 1912
Year granted 1913
Office US
Patent number 1075540
Inventors John W Boughton
Inventor country US
Applicant person John W Boughton
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1912-02-09
Full specification filed date
Application number 1912676604
Grant date 1913-10-14
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories USPC 244/48
IPCs
CPCs CPC B64C3/385
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID 47601231
INPADOC family ID 43991297
Number of text pages
Number of diagram pages
Number of figures
Number of claims