Difference between revisions of "Patent US-1913-1050654"

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=== Sources ===
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{{Patent
*  https://www.google.com/patents/US1050654
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|Year filed=1907
* [http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&CC=US&NR=1050654A espacenet] Somewhat confusing patent which definitely features a wing design, and looks in the diagram like a helicopter but talks about soaring and a “downbeat” of the wings;  inclined wing with canvas beneath; “This invention relates to devices designed to enable the aeronaut to utilize that natural force, air rarefaction, defective air pressure, or partial vacuum which is employed in nature by all flying animals during steady flight through the air as a chief source of support for their weight. ….] According to my invention these devices are designed to produce and maintain rarefaction of air, defective pressure or partial vacuum over, or in front of the supporting and propelling surfaces of the flying machines ...” ; “When the wing beats downward the wing's undersurface rises until the transverse strips fastened over it are stopped by the wire 4 [...]”; “Because this force is greater toward the wing tips, owing to the greater vertical speed at the tips, the wing sail during the down beat will form a true helical surface.”
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|Year granted=1913
Inventor location (imputed by [[HistPat]]): East Orange, NJ, Essex county, NJ (FIPSloc=34013)
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|Office=US
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|Patent number=1050654
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|Inventors=John P. HOLLAND
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|Inventor country=US
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|Applicant person=JOHN
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|Applicant type=INDIV
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|Applicant is inventor=1
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|Original title=Flying-machine
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|English title=Flying-machine
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|Tech field=helicopter
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|Filing date= airfoil
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|Full specification filed date= flapping
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|Application number= propeller
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|Grant date= stability
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|Granted='1907-12-02
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|Supplementary to patent=1907404698
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|Related to aircraft='1913-01-14
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|Serial number=1
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|National tech categories=1
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|IPCs=404698
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|First filing=244/200
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|Cited by=B64C3/14
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|Application ID=1907
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|INPADOC family ID=1
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|Number of figures=47558418
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|Number of claims=43839992
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}}

Revision as of 20:35, 3 October 2017


Year filed 1907
Year granted 1913
Office US
Patent number 1050654
Inventors John P. HOLLAND
Inventor country US
Applicant person JOHN
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Flying-machine
English title Flying-machine
Tech fields helicopter
Filing date airfoil
Full specification filed date flapping
Application number propeller
Grant date stability
Granted? '1907-12-02
Publication date
Supplementary to patent 1907404698
Related to aircraft? '1913-01-14
Serial number 1
Patent agent
Assigned to
National tech categories 1
IPCs 404698
CPCs
Family year
First filing? 244/200
Cites these patents
Citations from after 1930
Application ID 1907
INPADOC family ID 1
Number of text pages
Number of diagram pages
Number of figures 47558418
Number of claims 43839992