Diffuser for water aeration

- Nopon Oy

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Description

FIG. 1 is a perspective top view showing our new design;

FIG. 2 is a perspective bottom view thereof;

FIG. 3 is a perspective right side view thereof;

FIG. 4 is a perspective front view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a rear view thereof; and,

FIG. 10 is front view thereof.

Referenced Cited
U.S. Patent Documents
RE33899 April 28, 1992 Tyer
D200088 January 1965 Earnshaw
D318094 July 9, 1991 Sherman
D321743 November 19, 1991 Logue et al.
D321745 November 19, 1991 Murrell
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Patent History
Patent number: D386243
Type: Grant
Filed: Jun 12, 1996
Date of Patent: Nov 11, 1997
Assignee: Nopon Oy (Helsinki)
Inventors: Magnus Hasto (Espoo), Hannu Kahonen (Helsinki), Hannu Ryynanen (Helsinki)
Primary Examiner: A. Hugo Word
Assistant Examiner: Robin V. Taylor
Law Firm: Burns, Doane, Swecker & Mathis, L.L.P.
Application Number: 0/55,761