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 |
D371187 | June 25, 1996 | Ryyanen |
3360460 | December 1967 | Weston |
3953554 | April 27, 1976 | Loughridge |
4848749 | July 18, 1989 | Schneider |
4849139 | July 18, 1989 | Jager |
4981623 | January 1, 1991 | Ryan |
5378355 | January 3, 1995 | Winkler |
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
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
Classifications
Current U.S. Class:
Dispersal (i.e., Sprayer, Fogger, Nozzle, Aerator, Etc.) (4) (D23/213);
Immersion Type (e.g., Aquarium Filter, Etc.) (D23/210)
International Classification: 2301;
International Classification: 2301;