Patent
   D371187
Priority
Apr 26 1994
Filed
Oct 19 1994
Issued
Jun 25 1996
Expiry
Jun 25 2010
Assg.orig
Entity
unknown
8
3
n/a
The ornamental design for a disc diffuser, as shown and described.

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

FIG. 2 is a perspective bottom view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front side view thereof;

FIG. 6 is a back side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

Ryynanen, Hannu

Patent Priority Assignee Title
9556047, Jun 07 2010 Invent Umwelt-und Verfahrenstechnik AG Device for gassing liquids
D386243, Dec 13 1995 Nopon Oy Diffuser for water aeration
D407139, Nov 13 1997 MAAX SPAS INDUSTRIES CORP Jet water diffuser
D577101, Oct 08 2007 KOHLER CO Showerhead
D809643, Apr 07 2016 EBM-PAPST Mulfingen GmbH & Co. KG Blower wheel disc
D987022, Oct 08 2021 IGNASI CLOTET S L Water-purifying apparatus
ER1336,
ER550,
Patent Priority Assignee Title
4981623, Mar 12 1990 AquaTec, Inc. Diffuser for aeration basin
D321745, Jun 15 1990 WILTON INDUSTRIES, INC , A DE CORPORATION Water filter
RE33899, Dec 21 1988 Fine bubble diffuser and diffuser system having filtered blow-down tube
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Oct 04 1994RYYNANEN, HANNUNopon OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0071840344 pdf
Oct 19 1994Nopon Oy(assignment on the face of the patent)
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