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The ornamental design for an air cylinder, as shown. |
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FIG. 1 is a front elevational view of an air cylinder showing my new design;
FIG. 2 is a top plan view, the opposite side view being a mirror image;
FIG. 3 is a right side elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a sectional view taken along the lines 5--5 of FIG. 3; and,
FIG. 6 is a perspective view.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 28 1990 | SMC Corporation | (assignment on the face of the patent) | / | |||
| Mar 20 1990 | AIZAWA, AKIRA | SMC Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 006231 | /0690 |
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