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Patent
D657799
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Priority
Sep 11 2009
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Filed
Mar 05 2010
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Issued
Apr 17 2012
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Expiry
Apr 17 2026
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Assg.orig
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Entity
unknown
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34
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7
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n/a
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The ornamental design for a screw pump, as shown and described.
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FIG. 1 is a front, right, top perspective view of a first embodiment of a screw pump device embodying our design;
FIG. 2 is rear, left, bottom perspective view of the screw pump shown in FIG. 1;
FIG. 3 is a right side view of the screw pump shown in FIG. 1;
FIG. 4 is a left side view of the screw pump shown in FIG. 1;
FIG. 5 is a top view of the screw pump shown in FIG. 1;
FIG. 6 is a bottom view of the screw pump shown in FIG. 1;
FIG. 7 is a front view of the screw pump shown in FIG. 1; and,
FIG. 8 is a rear view of the screw pump shown in FIG. 1.
Jung, Hans
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|
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D976962, |
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ALFA LAVAL CORPORATE AB |
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ER3516, |
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ER5966, |
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Patent |
Priority |
Assignee |
Title |
D501486, |
Sep 26 2003 |
|
Liquid pump |
D516583, |
Oct 28 2004 |
CARLISLE FLUID TECHNOLOGIES, INC |
Pump |
D565600, |
Aug 07 2006 |
Leader Pumps Group S.p.A. |
Pump for liquids |
D590842, |
Jan 09 2008 |
HAYWARD INDUSTRIES, INC |
Pump |
D604745, |
Oct 14 2008 |
DAB PUMPS S.P.A. |
Pump |
D609595, |
May 04 2009 |
BRICKS GROUP, LLC |
Lobe pump |
D619624, |
May 14 2009 |
ULVAC KIKO, INC |
Vacuum pump |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a