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The ornamental design for a cylindrical filter element, as shown and described. |
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FIG. 1 is a front view of a cylindrical filter element showing a first embodiment of our design.
FIG. 2 is a front view of a cylindrical filter element showing a second embodiment of our design.
FIG. 3 is a cross sectional view of a spiral wrap taken along line 3--3 of FIG. 1.
The top and bottom views form no part of the claimed design.
The broken line illustration in the drawings is for illustrative purposes only and forms no part of the claimed design.
Miller, John D., Williamson, Kenneth M.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 25 1996 | Pall Corporation | (assignment on the face of the patent) | / |
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