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The ornamental design for a portable cooler, as shown and described.
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FIG. 1 is a front elevational view of a portable cooler incorporating my new design;
FIG. 2 is a back elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.
| Patent | Priority | Assignee | Title |
| D499308, | Apr 01 2004 | Koolatron Corporation | Portable cooler |
| D612669, | Apr 21 2009 | Cooler Concepts, LLC | Sleeve for a cooler with handles and spout |
| D612671, | May 21 2009 | Cooler Concepts, LLC. | Sleeve for circular ice chest |
| D618498, | Apr 21 2009 | Cooler Concepts, LLC | Sleeve for a cooler with spout |
| Patent | Priority | Assignee | Title |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 04 2001 | ZHI, SUN ZHOU | AB FAR EAST TECHNOLOGIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012400 | /0851 | |
| Dec 04 2001 | ZHI, SUN ZHOU | AB FAR EAST ENTERPRISES, INC | CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ON REEL 012400 FRAME 0851 ASSIGNOR CONFIRMS THE ASSIGNMEMT OF THE ENTIRE INTEREST | 012956 | /0244 | |
| Dec 10 2001 | AB Far East Enterprises | (assignment on the face of the patent) | / |
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