Patent
   D320838
Priority
Jan 09 1989
Filed
Jan 09 1989
Issued
Oct 15 1991
Expiry
Oct 15 2005
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for combined air supply line and manifold for aerating a pond or lake on fish farms, as shown.

FIG. 1 is a front elevational view of combined air supply line and manifold for aerating a pond or lake on fish farms showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top rear perspective view thereof, on an enlarged scale.

Carlson, Hilbert F.

Patent Priority Assignee Title
7874548, Dec 14 2006 Floatatable aerator system
D375540, Jun 26 1995 Aeration unit
Patent Priority Assignee Title
4023528, Nov 24 1975 Aerating means
4304740, Oct 11 1979 Liquid aeration apparatus
4532037, Jul 11 1983 WILLINGER BROS INC A NY CORP Aquarium aerating device
4684462, Jun 16 1986 Filtration, aeration, and water level control means for aquariums
4776127, Aug 08 1986 SHOULDA GONE FISHIN , A CORP OF TX Aerator
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