U.S. patent number D322,121 [Application Number 07/520,922] was granted by the patent office on 1991-12-03 for portable humidifier. This patent grant is currently assigned to Duracraft Corporation. Invention is credited to Bernard Chiu.
United States Patent | D322,121 |
Chiu | December 3, 1991 |
Inventors: | Chiu; Bernard (Ashland, MA) |
---|---|
Assignee: | Duracraft Corporation (Sudbury,
MA) |
Appl. No.: | 07/520,922 |
Filed: | May 9, 1990 |
Current U.S. Class: | D23/356 |
Field of Search: | ;D23/356,357,358,359,360,361,362,363 ;392/394,403,405,406 ;261/DIG.48,81 |
3110748 | November 1963 | Myklebust |
3309501 | March 1967 | Jansson |
4810854 | March 1989 | Jursich et al. |
4906417 | March 1990 | Gentry |
129541 | Jul 1985 | JP | |||
The Sharper Image Catalogue (Feb. 1986), p. 57, Bionaire Ultrasonic Humidifier, p. 57, top right side of page. . Hammacher Schlemmer Co. Spring Supplement 1986, p. 31, Best Ultrasonic Humidifier, bottom right side of page. . Housewares, Jun. 7-13, 1987, p. 11, Holmes Air Humidifier, bottom left side of page, Sunbeam Dura-Vap Vaporizer, middle right side of page; Jul. 7-13, 1987, p. 3, Holmes Air Humidifiers D and E, bottom left side of page; Aug. 7-13, 1987, p. 18, Ultrasonic Humidifier A, bottom left side of page, p. 21, Ultrasonic Humidifiers B and Cm lower right side of page; and Mar. 21-27, 1988, p. 1, Holmes Air Ultrasonic Humidifier, top left and bottom left sides of page, respectively.. |
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