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PTO
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Patent
D680213
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Priority
Mar 28 2011
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Filed
Sep 27 2011
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Issued
Apr 16 2013
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Expiry
Apr 16 2027
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Assg.orig
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Entity
unknown
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11
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16
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n/a
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The ornamental design for a ventilator blade, as shown.
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FIG. 1 is a perspective front view thereof;
FIG. 2 is a left side view;
FIG. 3 is a top view;
FIG. 4 is a bottom view;
FIG. 5 is a right side view;
FIG. 6 is a rear view; and,
FIG. 7 is a front view.
Spaggiari, Alessandro
| Patent |
Priority |
Assignee |
Title |
| D717936, |
Feb 27 2014 |
DELTA T, LLC |
Blade tip |
| D723678, |
Jun 17 2013 |
DELTA T, LLC |
Winglet for a ceiling fan |
| D732657, |
Feb 27 2014 |
DELTA T, LLC |
Winglet |
| D741470, |
Jun 09 2014 |
YOUNGO LIMITED |
Ceiling fan blade |
| D798433, |
Jan 12 2015 |
Hunter Fan Company |
Ceiling fan blade |
| D892295, |
Mar 15 2013 |
Kichler Lighting LLC |
Ceiling fan |
| D909561, |
Jan 12 2015 |
Hunter Fan Company |
Combination ceiling fan blade and light kit |
| D909562, |
Jan 12 2015 |
Hunter Fan Company |
Ceiling fan blade |
| D911512, |
Jan 31 2018 |
Carrier Corporation |
Axial flow fan |
| ER3170, |
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| ER9227, |
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| Patent |
Priority |
Assignee |
Title |
| 2350939, |
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| 5320493, |
Dec 16 1992 |
Industrial Technology Research Institute |
Ultra-thin low noise axial flow fan for office automation machines |
| 5513951, |
Mar 29 1993 |
NIPPONDENSO CO , LTD |
Blower device |
| 5624234, |
Nov 18 1994 |
ITT Automotive Electrical Systems, Inc. |
Fan blade with curved planform and high-lift airfoil having bulbous leading edge |
| 6325597, |
Sep 07 1999 |
INTELLECTUAL DISCOVERY CO , LTD |
Axial flow fan for air conditioner |
| 6672839, |
Nov 16 2001 |
HP INTELLECTUAL CORP |
Fan wheel |
| 7014423, |
Mar 30 2002 |
University of Central Florida |
High efficiency air conditioner condenser fan |
| 7249931, |
Mar 30 2002 |
University of Central Florida Research Foundation, Inc |
High efficiency air conditioner condenser fan with performance enhancements |
| 7618233, |
Mar 30 2002 |
University of Central Florida Research Foundation, Inc. |
High efficiency air conditioner condenser fan with performance enhancements |
| 933013, |
|
|
|
| 20070041841, |
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|
| D539413, |
Mar 27 2003 |
Research Foundation of the University of Central Florida, Inc. |
High efficiency air conditioner condenser twisted fan blades and hub |
| D555782, |
Mar 27 2003 |
Research Foundation of the University of Central Florida, Inc. |
High efficiency air conditioner condenser twisted fan blades and hub |
| D566829, |
Mar 27 2003 |
Research Foundation of the University of Central Florida, Inc. |
High efficiency air conditioner condenser twisted fan blades and hub |
| D570471, |
Nov 22 2006 |
JAPAN SERVO CO , LTD |
Part of a propeller for an axial flow fan |
| D644316, |
Nov 19 2009 |
SPAL AUTOMOTIVE S R L |
Blade of an axial fan |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a