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The ornamental design for a filter for swimming pools, as shown and described. |
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FIG. 1 is a front view of a filter for swimming pools showing my new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a front, right perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 25 1999 | ROIG, ARMAND PUIGGROS | APLISTER, S A | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009862 | /0606 | |
| Mar 30 1999 | Aplister, S.A. | (assignment on the face of the patent) | / |
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