Patent
   D386243
Priority
Dec 13 1995
Filed
Jun 12 1996
Issued
Nov 11 1997
Expiry
Nov 11 2011
Assg.orig
Entity
unknown
2
12
n/a
The ornamental design for a diffuser for water aeration, as shown and described.

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.

Ryynanen, Hannu, Kahonen, Hannu, Hasto , Magnus

Patent Priority Assignee Title
D407139, Nov 13 1997 MAAX SPAS INDUSTRIES CORP Jet water diffuser
D987022, Oct 08 2021 IGNASI CLOTET S L Water-purifying apparatus
Patent Priority Assignee Title
3360460,
3953554, Jul 11 1973 Ashland Vault Incorporated Diffuser for aeration systems
4848749, Mar 16 1984 Baker Hughes Incorporated Diffuser for aeration basin
4849139, Mar 26 1987 Arnold, Jager Device for aerating water
4981623, Mar 12 1990 AquaTec, Inc. Diffuser for aeration basin
5378355, Dec 04 1992 ITT Manufacturing Enterprises, Inc Direct delivery in-situ diffuser cleaning
200088,
D318094, Apr 26 1989 FLOATRON, INC , A CORP OF MISSOURI Water purifier
D321743, Dec 14 1988 BROOK DESIGN HARDWARE LIMITED Hood for vent mounting on window sill or frame
D321745, Jun 15 1990 WILTON INDUSTRIES, INC , A DE CORPORATION Water filter
D371187, Apr 26 1994 Nopon Oy Disc diffuser
RE33899, Dec 21 1988 Fine bubble diffuser and diffuser system having filtered blow-down tube
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 06 1996HASTO, MAGNUSNopon OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0082710437 pdf
Jun 06 1996KAHONEN, HANNUNopon OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0082710437 pdf
Jun 06 1996RYYNANEN, HANNUNopon OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0082710437 pdf
Jun 12 1996Nopon Oy(assignment on the face of the patent)
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