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The ornamental design for portable air pump, as shown and described.
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FIG. 1 is a perspective view of portable air pump showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Patent | Priority | Assignee | Title |
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D307018, | Dec 18 1986 | Jet-Pumpen HT GmbH | Aquarium pump chamber |
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D405806, | May 06 1998 | Flying Dragon Development Ltd. | Air pump |
D420011, | Apr 02 1999 | Pump | |
D425914, | Aug 24 1999 | HO LEE CO , LTD | Electric pump |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 23 2000 | WU, HSIN-TSAI | BULTON ENTERPRISES CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010851 | /0131 | |
May 25 2000 | Bulton Enterprises Co., Ltd. | (assignment on the face of the patent) | / |
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