Patent US-1923-1447584

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Inventor location (imputed from HistPat): Los Angeles county, CA (FIPSloc=6037)

Sources

{{USpatentsources|1447584A espacenet Patent US 1447584A]


Year filed 1918
Year granted 1923
Office US
Patent number 1447584
Inventors Oswald F Zahn
Inventor country
Applicant person Edith L Zahn
Applicant firm
Applicant type
Applicant is inventor? 0
Original title
English title
Tech fields
Filing date 1918-11-25
Full specification filed date
Application number 26411518
Grant date 1923-03-06
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C17/00, CPC B64C2700/6212
Family year 1918
First filing? 1
Cites these patents
Citations from after 1930
Application ID 49123302
INPADOC family ID 44656703
Number of text pages
Number of diagram pages
Number of figures
Number of claims