Patent AT-1909-47518

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This patent's original document makes reference to a German filing dated 1909-06-23.

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Patent family descending from Patent AT-1909-47518


Year filed 1909
Year granted 1910
Office AT
Patent number 47518
Inventors Gustav Behrens
Inventor country DE
Applicant person Gustav Behrens
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Schraubenförmiger Erdanker
English title Helical ground anchor
Tech fields Anchor
Filing date 1909-12-27
Full specification filed date
Application number
Grant date 1910-12-01
Granted? 1
Publication date 1911-04-25
Supplementary to patent Patent DE-1909-06-23 Gustav Behrens
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 37c
IPCs
CPCs
Family year 1909
First filing? 0
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages
Number of figures
Number of claims 2