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The ornamental design for the valving element for butterfly valve, as shown and described.
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The broken lines represent unclaimed portions of the valving element. The dash-dot lines represent boundaries between claimed and unclaimed areas. Neither lines form a part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 22 2011 | FUJIYAMA, DAISHI | Kubota Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 025887 | /0324 | |
| Mar 02 2011 | Kubota Corporation | (assignment on the face of the patent) | / |
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