Extraction device for polluted gases

The ornamental design for a extraction device for polluted gases, as shown and described.

FIG. 1 is a perspective view of the extraction device;

FIG. 2 is another perspective view of the extraction device;

FIG. 3 is a side elevational view of the extraction device;

FIG. 4 is a side elevational view of the opposite side of the extraction device;

FIG. 5 is a front elevational view of the extraction device;

FIG. 6 is a rear elevational view of the extraction device;

FIG. 7 is a top plan view of the extraction device; and,

FIG. 8 is a bottom plan view of the extraction device.

Patent	Priority	Assignee	Title
D573707,	Jan 20 2006	AB PH NEDERMAN & CO	Arm for the extraction of gases/fumes
D670371,	Jul 20 2011		Clip-on fan
ER5902,
ER7777,

Patent	Priority	Assignee	Title
5427569,	Apr 23 1992	Plymex Fabriksforsaljning AB	Adjustable local extraction device
5527217,	Aug 26 1991	AB Ph. Nederman & Co.	Adjustable device for exhaustion and/or supply of gas
D262235,	Aug 22 1979		Portable air recirculator
D327122,	Feb 10 1989	J H PLYMOTH AB	Articulated exhausting arm unit

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Apr 09 2001	JOHANSSON, LARS	AB PH NEDERMAN & CO	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	011798	0811	pdf
May 10 2001		AB Ph. Nederman & Co.	(assignment on the face of the patent)

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