Patent US-1906-827017

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Wings that fold when not in use; framewood of rods, hinges, and wheels covered by canvas; articulated like bird or bat wings.

Inventor location (imputed by HistPat): Berlin, Germany


Year filed 1902
Year granted 1906
Office US
Patent number 827017
Inventors Joseph Hofmann
Inventor country DE
Applicant person Joseph Hofmann
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Wing of flying machines
English title Wing of flying machines
Tech fields airfoil, flapping, sail
Filing date June 27, 1902
Full specification filed date
Application number 1902113482
Grant date July 24, 1906
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 113482
Patent agent Harold Binney
Assigned to
National tech categories USPC 244/49, USPC 244/72
IPCs IPC B64C3/56
CPCs CPC B64C3/56
Family year 1902
First filing? Yes
Number of citations
Cited by
Application ID 46981742
INPADOC family ID 43662439
Number of text pages 3
Number of diagram pages 2
Number of figures
Number of claims