Filter
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Description
A filter has a cylindrical outer surface, a planar upper surface, and a central vertically throughgoing hole opening at the top surface at a beveled edge. The filter is rotation-symmetrical about the center axis of the central hole.
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
Patent History
Patent number: D767714
Type: Grant
Filed: Mar 18, 2015
Date of Patent: Sep 27, 2016
Assignee: KEMPER GMBH (Vreden)
Inventor: Gerhard Kemper (Vreden)
Primary Examiner: Robin V Webster
Application Number: 29/520,794
Type: Grant
Filed: Mar 18, 2015
Date of Patent: Sep 27, 2016
Assignee: KEMPER GMBH (Vreden)
Inventor: Gerhard Kemper (Vreden)
Primary Examiner: Robin V Webster
Application Number: 29/520,794
Classifications