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The ornamental design for a hydraulic step, as shown and described. |
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FIG. 1 is a front elevational view of the hydraulic step showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Lee, William H., Burden, Gerald A.
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| Patent | Priority | Assignee | Title |
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| 1917011, | |||
| 2772392, | |||
| 3566991, | |||
| 4262777, | Aug 16 1979 | Hydraulic elevator | |
| 4488326, | Sep 30 1982 | Autoquip Corporation | Pallet dock lift |
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| 200300, | |||
| 223087, |
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