Patent US-1918-1296551

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"This invention relates to improvements to machines for navigating the air ... [It has] a propeller arranged over the apparatus [so that it] may be used in the manner of a helicopter at any desired time [to lift the aircraft]. [And, the] blades of the helicopter propeller may be folded and disconnected from their source of power [at will]"

  • Tech class CPC B64C23/005: Influencing air flow over aircraft surfaces, not otherwise provided for
  • Inventor location: Princeton, British Columbia, all three of them ; Pecher was "a subject of the Emperor of Austria"

Sources


Year filed 1918
Year granted 1919
Office US
Patent number 1296551
Inventors Daniel Pecher
Inventor country CA
Inventor location British Columbia
Applicant person Daniel Pecher, Joseph Pawlick, Tom Guyton
Applicant firm
Applicant type INDIV
Applicant is inventor? 0
Original title Aeroplane
English title Aeroplane
Tech fields helicopter, lift
Filing date 1918-09-28
Full specification filed date
Application number 25601918
Grant date 1919-03-04
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 256019
Patent agent Omar Geier
Assigned to
National tech categories
IPCs
CPCs CPC B64C23/005
Family year 1918
First filing? 1
Cites these patents
Citations from after 1930 0
Application ID 47987217
INPADOC family ID 44612220
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 1