Patent
   D311798
Priority
Dec 09 1987
Filed
Dec 09 1987
Issued
Oct 30 1990
Expiry
Oct 30 2004
Assg.orig
Entity
unknown
16
3
n/a
The ornamental design for a loading ramp, as shown and described.

FIG. 1 is a top perspective view of a loading ramp showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side view thereof, the opposite side being identical thereto;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom perspective view thereof.

Boots, Steven L., Williams, Jr., Oscar H., Wallwork, Barry S.

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Patent Priority Assignee Title
4161795, Sep 02 1977 Boat ramp
4601632, Dec 10 1984 Stowable truck ramp with extension sleeve
4759682, May 06 1987 Transpec Inc. Vehicle entrance ramp
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 12 1987BOOTS, STEVEN L STINSON MANUFACTURING CO , INC , P O BOX 3544, SPOKANE, WA 99220 A CORP OF WASHINGTONASSIGNMENT OF ASSIGNORS INTEREST 0047990816 pdf
Nov 12 1987WILLIAMS, OSCAR H JR STINSON MANUFACTURING CO , INC , P O BOX 3544, SPOKANE, WA 99220 A CORP OF WASHINGTONASSIGNMENT OF ASSIGNORS INTEREST 0047990816 pdf
Nov 12 1987WALLWORK, BARRY S STINSON MANUFACTURING CO , INC , P O BOX 3544, SPOKANE, WA 99220 A CORP OF WASHINGTONASSIGNMENT OF ASSIGNORS INTEREST 0047990816 pdf
Dec 09 1987Stinson Manufacturing Co., Inc.(assignment on the face of the patent)
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