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Publication numberUSD300073 S
Publication typeGrant
Application numberUS 06/827,727
Publication dateFeb 28, 1989
Filing dateFeb 10, 1986
Publication number06827727, 827727, US D300073 S, US D300073S, US-S-D300073, USD300073 S, USD300073S
InventorsRobert F. Crump
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable extension ramp
US D300073 S
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  1. The ornamental design for a portable extension ramp, as shown and described.

FIG. 1 is a front perspective view of a portable extension ramp showing my new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a right side elevational view thereof, showing the ramp in fully closed condition;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged rear elevational view thereof;

FIG. 5 is an enlarged right side elevational view thereof, showing the ramp in fully extended condition;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7874115Feb 6, 2004Jan 25, 2011Wenger CorporationModular floor
U.S. ClassificationD34/32