Claims (1)
Claim 1 (Independent)
The ornamental design for a screw jack, as shown and described.
Full Description
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FIG. 1 is a perspective view of a screw jack showing our new design according to a second aspect of the design;
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view of the screw jack in another configuration;
FIG. 9 is a left side view thereof;
FIG. 10 is a right side view thereof;
FIG. 11 is a is front view thereof; and,
FIG. 12 is a rear view thereof.
The subject matter in broken lines does not form part of the claim.
Citations
This patent cites (14)
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