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The ornamental design for a purging pump for plumbing systems, as shown and described. |
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FIG. 1 is a front elevation of a purging pump for plumbing systems showing my new design, the rear elevation being substantially identical;
FIG. 2 is a side elevation thereof, the opposite side being substantially identical;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation thereof showing the nozzle in an alternate position, the rear elevation being substantially identical;
FIG. 6 is a side elevation of FIG. 5, the opposite side being substantially identical;
FIG. 7 is a top plan view of FIG. 5; and
FIG. 8 is a bottom plan view of FIG. 5.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 16 1984 | Desmond C., Drummond | (assignment on the face of the patent) | / |
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