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Patent
D591234
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Priority
Feb 19 2008
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Filed
Feb 19 2008
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Issued
Apr 28 2009
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Expiry
Apr 28 2023
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Assg.orig
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Entity
unknown
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9
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10
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n/a
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The ornamental design for a windmill, as shown and described.
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FIG. 1 is a perspective view of a windmill showing my new design;
FIG. 2 is a left-hand side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right-hand side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of Darrieus blades in FIGS. 1–7 is for illustrative purposes only and forms no part of the claimed design.
Unno, Yuji
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|
|
Patent |
Priority |
Assignee |
Title |
2006024, |
|
|
|
3924966, |
|
|
|
4180372, |
Mar 02 1977 |
Grumman Corporation |
Wind rotor automatic air brake |
4247253, |
Jul 07 1977 |
Gakko Hojin Tokai University |
Vertical axis wind turbine |
6726439, |
Aug 22 2001 |
CLIPPER WINDPOWER, LLC |
Retractable rotor blades for power generating wind and ocean current turbines and means for operating below set rotor torque limits |
D252572, |
Jan 31 1977 |
|
Wind turbine |
D342074, |
Jul 08 1991 |
|
Vertical axle windmill |
D508893, |
Mar 18 2004 |
SHINKO ELECTRIC CO , LTD |
Blade assembly for a wind power generator |
D509794, |
Oct 01 2003 |
SHINKO ELECTRIC CO , LTD |
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D511495, |
Sep 25 2003 |
SHINKO ELECTRIC CO , LTD |
Wind power generator |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a