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Publication numberUSD311270 S
Publication typeGrant
Application numberUS 07/095,476
Publication dateOct 16, 1990
Filing dateSep 10, 1987
Publication number07095476, 095476, US D311270 S, US D311270S, US-S-D311270, USD311270 S, USD311270S
InventorsJames J. Savage, James A. Walsh
Original AssigneeCrystal Clear Air, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air filtration unit
US D311270 S
Abstract  available in
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  1. The ornamental design for an air filtration unit, as shown.

FIG. 1 is a rear perspective view of an air filtration unit, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top plan view thereof.

Non-Patent Citations
1Brochure-Nilfisk, 11-86.
2Rodale's New Shelter Magazine reprint, 1982, p. 48:18, Cleanaire 1212, top left side of page.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD737421 *Nov 5, 2012Aug 25, 2015Girbau, S.A.Protective housing for a suction-assisted charging device in a clothes spin-drier
U.S. ClassificationD23/365