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The ornamental design for a working cylinder, as shown and described.
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FIG. 1 is a front perspective view of a working cylinder showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a front elevational view thereof; and,
FIG. 8 is a rear elevational view thereof.
The broken lines shown in FIGS. 1-8 are for illustrative purposes only and form no part of the claimed design.
Kleffmann, Jan, Sailer, Steffen
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 24 2002 | KLEFFMANN, JAN | Festo AG & Co | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013155 | /0418 | |
| Jul 24 2002 | SAILER, STEFFEN | Festo AG & Co | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013155 | /0418 | |
| Jul 30 2002 | Festo AG & Co. | (assignment on the face of the patent) | / | |||
| May 08 2008 | Festo AG & Co | FESTO AG & CO KG | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 021281 | /0460 |
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