Portable electrical humidifier

- Duracraft Corporation
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Description

FIG. 1 is a front, top and left side perspective view of a portable electrical humidufier, showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D171553 February 1954 Podall
D190775 June 1961 Nesbitt
D227571 July 1973 Cook
2713509 July 1955 Long
3005591 October 1961 Bradley
3725640 April 1973 Kunz
Other references
  • Housewares, Jan. 1, 1988, p. 40, Air Filter/Humidifier, top middle side of page.
Patent History
Patent number: D330074
Type: Grant
Filed: Jun 13, 1991
Date of Patent: Oct 6, 1992
Assignee: Duracraft Corporation (Sudbury, MA)
Inventors: Jui-Shang Wang (Taipei), Bernard Chiu (Ashland, MA), Frank Marino (Upton, MA), Richard M. O'Grady (Southington, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorneys: John E. Toupal, Harold G. Jarcho
Application Number: 7/715,146
Classifications
Current U.S. Class: Humidifier (D23/356)