Patent
   D597028
Priority
Feb 15 2008
Filed
Feb 15 2008
Issued
Jul 28 2009
Expiry
Jul 28 2023
Assg.orig
Entity
unknown
11
19
n/a
The ornamental design for a vertical axis wind sail, as shown and described.

FIG. 1 is a perspective view of the vertical axis wind sail of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIGS. 1–7 represent the environment in which the design resides and forms no part of the claim.

Sauer, Dieter R.

Patent Priority Assignee Title
8779616, Feb 13 2007 SAUER ENERGY, INC Wind-driven electricity generation device with segmented rotor
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D762575, Feb 19 2013 TNP CO., LTD. Wind turbine blade
D769192, Feb 19 2013 TNP CO., LTD. Wind turbine blade
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ER2403,
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 11 2008SAUER, DIETER R SAUER, JR, DIETER R ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0205740381 pdf
Feb 15 2008Dieter R., Sauer, Jr.(assignment on the face of the patent)
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