Patent
   D329081
Priority
Jul 16 1990
Filed
Oct 15 1990
Issued
Sep 01 1992
Expiry
Sep 01 2006
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a mobile electrostatic air filter, as shown and described.

FIG. 1 is a right side elevational view of a mobile electrostatic air filter showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Hedlund, Per N., Jonasson, Alf I. S.

Patent Priority Assignee Title
5702493, Oct 31 1996 Welding fume funnel with magnetic coupling means
D357303, Feb 27 1992 AB Ph. Nederman & Co. Filter for a mobile fume extractor
D577415, Aug 16 2004 Water filtration device
D741985, Apr 16 2013 FIH (Hong Kong) Limited Exhaust gas treatment apparatus
D845457, Jul 21 2017 Skitter & Squirt Adventures, LLC Vacuum exhaust filter
Patent Priority Assignee Title
2144157,
3355026,
3358839,
4976850, Jul 30 1987 ESTA Apparatebau GmbH & Co. KG Suction apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 26 1990HEDLUND, PER NIKLASAB PH NEDERMAN & COASSIGNMENT OF ASSIGNORS INTEREST 0055030111 pdf
Oct 08 1990JONASSON, ALF I S AB PH NEDERMAN & COASSIGNMENT OF ASSIGNORS INTEREST 0055030111 pdf
Oct 15 1990AB Ph. Nederman & Co.(assignment on the face of the patent)
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