Patent
   D322118
Priority
Aug 21 1989
Filed
Aug 21 1989
Issued
Dec 03 1991
Expiry
Dec 03 2005
Assg.orig
Entity
unknown
1
6
n/a
The ornamental design for a liquid aerator, as shown and described.

FIG. 1 is a side elevational view of a liquid aerator showing my new design, the opposite side being a mirror image except for the lack of a square knob;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Gross, Peter S.

Patent Priority Assignee Title
ER2016,
Patent Priority Assignee Title
3796417,
3975469, Jan 23 1974 The De Laval Separator Company Device for revolving liquids and supplying gas thereto
4240990, Apr 10 1979 Aeration Industries International, LLC Aeration propeller and apparatus
4287137, Jan 08 1979 SHIONOGI & CO , LTD Vane-type fluid impeller and method of aerating a liquid
4741870, Jun 26 1987 ANCHOR BANK NATIONAL ASSOCIATION Apparatus for treatment of liquids
4844843, Nov 02 1987 Waste water aerator having rotating compression blades
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 09 1989GROSS, PETER S AEROMIX SYSTEMS, INCORPORATED, A CORP OF MNASSIGNMENT OF ASSIGNORS INTEREST 0051110875 pdf
Aug 21 1989Aeromix Systems, Incorporated(assignment on the face of the patent)
Nov 02 1994Aeromix Systems, IncorporatedTCF BANK SAVINGS FSBSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0071890919 pdf
Nov 02 1994Aeromix Systems, IncorporatedTCF BANK MINNESOTA FSBSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0075050447 pdf
Jul 28 1997Aeromix Systems, IncorporatedBNC NATIONAL BANK OF MINNESOTASECURITY INTEREST SEE DOCUMENT FOR DETAILS 0086280622 pdf
Aug 10 2001Aeromix Systems, IncorporatedANCHOR BANK NATIONAL ASSOCIATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0121030859 pdf
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