Palm-tree-like rising bubble display device

- Midwest Tropical, Inc.
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Description

FIG. 1 is a front, right, perspective view of a palm-tree-like rising bubble display device which incorporates my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a bottom view thereof.

The rear view is the mirror image of FIG. 3, and the left side view is identical to FIG. 4. The small circles visible in the vertically extending column of the device are bubbles of gas rising in a liquid contained in the column. FIG. 5 shows a pump which introduces these bubbles into the lower portion of the column.

Referenced Cited
U.S. Patent Documents
D159135 June 1950 Blaich et al.
D340003 October 5, 1993 Wright et al.
D349454 August 9, 1994 Shumway et al.
2412171 December 1946 Petry
2589757 March 1952 Williams
3144375 August 1964 Day
3499238 March 1970 Publicker
3531635 September 1970 Hancock
4208848 June 24, 1980 Kohl
4939859 July 10, 1990 Bradt
5349771 September 27, 1994 Burnett
5416994 May 23, 1995 McLaughlin
Patent History
Patent number: D390157
Type: Grant
Filed: May 16, 1996
Date of Patent: Feb 3, 1998
Assignee: Midwest Tropical, Inc. (Lincolnwood, IL)
Inventor: Kenneth Burnett (Lincolnwood, IL)
Primary Examiner: Dominic Simone
Law Firm: Brinks, Hofer, Gilson & Lione
Application Number: 0/54,551
Classifications
Current U.S. Class: Tree (D11/118); Sculpture, Table Or Wall Ornament (D11/131); D21/61; Display Device With Gas Or Liquid Movement (40/406)
International Classification: 1102;