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Patent
D750560
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Priority
Apr 11 2013
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Filed
Oct 11 2013
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Issued
Mar 01 2016
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Expiry
Mar 01 2030
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Assg.orig
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Entity
unknown
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8
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33
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n/a
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The ornamental design for a wind turbine blade, as shown and described.
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FIG. 1 is an isometric view of a wind turbine blade showing my new design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a right side elevation view thereof.
Altmikus, Andree
| Patent |
Priority |
Assignee |
Title |
| 2633921, |
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|
| 3874816, |
|
|
|
| 4297076, |
Jun 08 1979 |
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Wind turbine |
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Jan 03 1979 |
BOEING COMPANY THE, SEATTLE, WA A CORP OF DE |
Aerodynamically contoured, low drag wing, engine and engine nacelle combination |
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Sir Henry Lawson-Tancred, Sons & Co. Ltd. |
Wind turbine blades |
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Oct 15 1996 |
XZERES CORP |
Wind energy conversion device with angled governing mechanism |
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Nov 21 1998 |
|
Wind generator |
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Mar 26 2001 |
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Feb 22 2002 |
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Jan 31 1977 |
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Wind turbine |
| D271303, |
May 11 1981 |
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Wind turbine |
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Apr 03 1990 |
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|
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Wind turbine |
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WOBBEN, ALOYS |
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Apr 08 2011 |
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Blade |
| DE40109165, |
|
|
|
| EM16317710001, |
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|
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| EM18360400001, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a