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Publication numberUSD328003 S
Publication typeGrant
Application numberUS 07/357,872
Publication dateJul 21, 1992
Filing dateMay 30, 1989
Publication number07357872, 357872, US D328003 S, US D328003S, US-S-D328003, USD328003 S, USD328003S
InventorsKenneth E. Matson, Ernest L. Keehn
Original AssigneeExtru-Tech, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Preconditioning cylinder
US D328003 S
Abstract  available in
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  1. The ornamental design for a preconditioning cylinder, as shown and described.

FIG. 1 is a left, front and top perspective view of a preconditioning cylinder showing our new design;

FIG. 2 is a right side elevational view thereof, on an enlarged scale;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
1Wenger Bulletin 31-036-79, Wenger X-200 Continuous Extrusion Cooker.
2Wenger Bulletin 318-486, Wenger X-175 Cooking Extruder.
3Wenger Bulletin 66-177-82, Wenger X-175 Extrusion Cooker.
4Wenger Bulletin 66-686, Wenger X-185 Cooking Extruder.
U.S. ClassificationD07/412, D07/376