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Publication numberUSD321550 S
Publication typeGrant
Application numberUS 07/549,710
Publication dateNov 12, 1991
Filing dateJul 12, 1990
Publication number07549710, 549710, US D321550 S, US D321550S, US-S-D321550, USD321550 S, USD321550S
InventorsKenneth D. Laughlen, Daniel J. Vorhis, Nancy L. Dienes, James F. Fife
Original AssigneeMountain Safety Research, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Water filter
US D321550 S
Abstract  available in
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  1. The ornamental design for a water filter, as shown and described.

FIG. 1 is a front elevational view of a water filter showing our new design;

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

The handle is broken away in FIGS. 1-4 for convenience of illustration.

Non-Patent Citations
1Photocopy of picture from sales literature entitled "First Need Portable Water Purification Device" from General Ecology, Inc., of Lionville, Pa., Jun. 1989.
2Photocopy of picture from sales literature entitled "Instant Reusable Water Filtration Device," Calco, Ltd., of Rosemont, Ill., Jun. 1989.
3Photocopy of picture from sales literature entitled "Model PS Pocket Filter" from Katadyn U.S.A., Inc., Scottsdale, Ariz., Jun. 1989.
4Photocopy of picture from sales literature entitled "Outback," of Hiker Supply Co. of Bremerton, Wash., Jun. 1989.
5Photocopy of picture from sales literature entitled "Pocket Purifier Straw," of Calko, Ltd., Jun. 1989.
6Photocopy of picture in article in CanoeSport Journal, Timberline Filter Co., of Boulder, Colo., Fall 1988.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7297283Dec 9, 2005Nov 20, 2007Yakima Filters, Inc.Container having fluid purification system
U.S. ClassificationD23/209