Patent US-1912-1041781

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Year filed 1912
Year granted 1912
Office US
Patent number 1041781
Inventors David Hacker
Inventor country US
Applicant person David Hacker
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1912-07-25
Full specification filed date
Application number 1912711542
Grant date 1912-10-22
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories USPC 244/139
IPCs
CPCs CPC B64C2700/6295
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID 47543278
INPADOC family ID 44009635
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources