Filter device Patent Grant Kulikov , et al. October 9, 2 [DWT Deutsche Wassertechnologien GmbH]

Filter device

Kulikov , et al. October 9, 2

Patent Grant D668740

U.S. patent number D668,740 [Application Number D/404,377] was granted by the patent office on 2012-10-09 for filter device. This patent grant is currently assigned to DWT Deutsche Wassertechnologien GmbH. Invention is credited to Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov.

United States Patent	D668,740
Kulikov , et al.	October 9, 2012

Filter device

Claims

CLAIM The ornamental design for a filter device, as shown.

Inventors:	Kulikov; Vladimir Mikhailovich (Moscow, RU), Zakharov; Vladimir Alekseevich (Moscow, RU)
Assignee:	DWT Deutsche Wassertechnologien GmbH (Frankfurt am Main, DE)
Appl. No.:	D/404,377
Filed:	October 20, 2011

Current U.S. Class:	D23/209
Current International Class:	2301
Field of Search:	;D23/207,209 ;210/282,497.01,323.1,323.2

References Cited [Referenced By]

U.S. Patent Documents


D561299	February 2008	Baba
D561300	February 2008	Baba
D594927	June 2009	Amtmann
8177073	May 2012	Kuo

Foreign Patent Documents


986352	Apr 1997	CN

Primary Examiner: Webster; Robin V
Attorney, Agent or Firm: Bachmna & LaPointe, P.C.

Description

FIG. 1 is a perspective view.

FIG. 2 is a left-hand side view.

FIG. 3 is a top view.

FIG. 4 is a bottom view.

FIG. 5 is a right-hand side view.

FIG. 6 is a front view; and,

FIG. 7 is a back view.

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