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The ornamental design for an unfolding stepladder, as shown and described.
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FIG. 1 is a front perspective view of an unfolding stepladder;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a front elevational view thereof; and,
FIG. 6 is a rear elevational view thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 4442919, | Aug 10 1981 | Portable tower | |
| 5085291, | Jan 22 1991 | Safety ladder | |
| 6220389, | Mar 04 1997 | Krause-Werk GmbH & Co. KG | Folding ladder |
| D388882, | Jan 11 1996 | COSCO MANAGEMENT, INC | Combined work ladder and platform |
| D425209, | Jul 15 1999 | Folding step ladder |
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