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Patent
D805474
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Priority
Nov 30 2016
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Filed
Nov 30 2016
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Issued
Dec 19 2017
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Expiry
Dec 19 2032
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Assg.orig
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Entity
unknown
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4
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19
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n/a
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The ornamental design for a vortex propeller, as shown and described.
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FIG. 1 is an elevated, perspective view of the vortex propeller in accordance with our invention;
FIG. 2 is a front view thereof;
FIG. 3 is back view of FIG. 1;
FIG. 4 is a side view of FIG. 1;
FIG. 5 is an opposite view of FIG. 4;
FIG. 6 is a top view of FIG. 1; and,
FIG. 7 is a bottom view of FIG. 1.
Bills, Chris, Moriarty, Donald E.
Patent |
Priority |
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Oct 21 2014 |
PERLESS, ROBERT |
Vertical axis helical wind turbine |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
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Maintenance Schedule |
n/a