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Patent
D818231
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Priority
Nov 13 2015
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Filed
Apr 12 2016
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Issued
May 15 2018
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Expiry
May 15 2033
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Assg.orig
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Entity
unknown
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5
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58
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n/a
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The ornamental design for a window cleaning appliance, as shown and described.
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FIG. 1 is a front, top and left side perspective view of a window cleaning appliance showing the new design;
FIG. 2 is a front, top and right side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a top plan view thereof.
Helfert, Matthias, Meyer, Michael
Patent |
Priority |
Assignee |
Title |
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3M Innovative Properties Company |
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ALFRED KAERCHER GMBH & CO KG |
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ALFRED KAERCHER GMBH & CO KG |
Part of window cleaning appliance |
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Feb 14 2013 |
ECODROP |
Surface cleaner |
D720107, |
Apr 17 2013 |
Alfred Kaercher GmbH & Co. KG |
Window cleaning appliance |
D753354, |
Jul 18 2014 |
Carl Freudenberg KG |
Window cleaner |
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Jun 03 2014 |
ALFRED KAERCHER GMBH & CO KG |
Window cleaning appliance |
EM14231230001, |
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EM20326720001, |
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EM20352530001, |
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EM21778400001, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a