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Publication numberUSD320440 S
Publication typeGrant
Application numberUS 07/509,914
Publication dateOct 1, 1991
Filing dateApr 17, 1990
Publication number07509914, 509914, US D320440 S, US D320440S, US-S-D320440, USD320440 S, USD320440S
InventorsBernard Chiu
Original AssigneeDuracraft Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable humidifier
US D320440 S
Abstract  available in
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  1. The ornamental design for a portable humidifier, as shown.

FIG. 1 is a front perspective view of a portable humidifier showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

Non-Patent Citations
1Hammacher Schlemmer Co., Spring Supplement, p. 31, Best Ultrasonic Humidifier, bottom right side of page.
2Housewares, Aug. 7-13, 1987, p. 18, Ultrasonic Humidifier A, lower right side of page, also p. 21, Ultrasonic Humidifiers B & C, lower right side of page.
3Housewares, Jul. 7-13, 1987, p. 3, Ultrasonic Humidifiers D & E, lower left side of page, also p. 11, of this issue, Holmes Air Humidifier and Sunbeam Dura Vap Vaporizer, bottom left and middle right sides of page, respectively.
4The Sharper Image Catalogue, Feb. 1986, p. 57, Ultrasonic Humidifier, top right side of page.
U.S. ClassificationD23/356