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Patent
D711509
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Priority
Dec 26 2012
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Filed
Dec 26 2012
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Issued
Aug 19 2014
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Expiry
Aug 19 2028
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Assg.orig
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Entity
unknown
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9
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16
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n/a
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The ornamental design for the aeration butterfly valve, as shown and described.
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FIG. 1 is a top view of the aeration butterfly valve of this invention;
FIG. 2 is a bottom view;
FIG. 3 is a left side view;
FIG. 4 is a right side view;
FIG. 5 is a front view; and,
FIG. 6 is a back view.
Sisk, David E.
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Patent |
Priority |
Assignee |
Title |
4770388, |
Apr 30 1986 |
E. I. du Pont de Nemours and Company |
Latched valve handle |
5052655, |
Jul 18 1990 |
WATTS REGULATOR CO |
Ball valve lock plate |
5058622, |
Jan 12 1990 |
STOCKHAM VALVES & FITTINGS, INC , A CORPORATION OF DE |
Valve lock assembly |
5188335, |
Jun 02 1992 |
FRATELLI PETTINAROLI S.P.A. |
Ball valve with lockable security device |
5598724, |
Dec 26 1995 |
NORTH SAFETY PRODUCTS L L C |
Butterfly valve safety lock |
6959909, |
Jan 26 2004 |
Victaulic Company |
Actuating handle assembly |
158338, |
|
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|
191425, |
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|
D297354, |
Nov 27 1985 |
Precision Fitting and Valve Company, Inc. |
Locking fluid valve |
D321928, |
Feb 28 1989 |
Universal Valve Company, Inc. |
Combination ball valve and check valve |
D359343, |
Sep 03 1993 |
|
Combined sanitary coupling and ball valve |
D400970, |
Sep 29 1997 |
Bestwill Corporation |
One-quarter turn straight ball shutoff valve |
D468806, |
Apr 17 2002 |
PRESSURE SPECIALIST, INC |
Valve |
D588232, |
Mar 13 2006 |
GIACOMINI S P A |
Valve |
D624628, |
Apr 13 2009 |
Lake Red Rock LLC |
Valve |
D686298, |
Sep 14 2012 |
Barksdale, Inc. |
Integral valve-actuator |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a