Patent
   D271105
Priority
Jul 21 1981
Filed
Jul 21 1981
Issued
Oct 25 1983
Expiry
Oct 25 1997
Assg.orig
Entity
unknown
5
8
n/a
The ornamental design for a bulk material handling apparatus, substantially as shown.

FIG. 1 is a front elevational view of a bulk material handling _apparatus showing our new design;

FIG. 2 is a view in side elevation thereof;

FIG. 3 is a view in side elevation thereof showing the side opposite that seen in FIG. 2;

FIG. 4 is a view in rear elevation thereof; and

FIG. 5 is a view in top plan thereof.

The bottom view, being substantially devoid of ornamentation, is not shown.

Christianson, Roy O., Christianson, Ted T.

Patent Priority Assignee Title
4846605, Aug 12 1987 CHRISTIANSON SYSTEMS, INC , A MN CORP Pneumatic grain conveyor with universal frame
4887936, Aug 12 1987 Christianson Systems, Inc.; CHRISTIANSON SYSTEMS, INC Cyclone separator with accelerator plate for pneumatic conveyor
4913597, Aug 12 1987 Christianson Systems, Inc.; CHRISTIANSON SYSTEMS, INC , A CORP OF MN Silencer for pneumatic grain conveyor
5163786, Aug 12 1987 Christianson Systems, Inc. Cyclone separator with filter assembly for pneumatic conveyor
5322098, Mar 13 1992 Christianson Systems, Inc. Apparatus and method for conveyance of flowable solid materials
Patent Priority Assignee Title
2230425,
2557344,
2946626,
3583910,
3697005,
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3885376,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 16 1981CHRISTIANSON, ROY O CHRISTIANSON EVACUATOR SERVICE, INC ASSIGNMENT OF ASSIGNORS INTEREST 0039010323 pdf
Jul 16 1981CHRISTIANSON, TED T CHRISTIANSON EVACUATOR SERVICE, INC ASSIGNMENT OF ASSIGNORS INTEREST 0039010323 pdf
Jul 21 1981Christianson Systems, Inc.(assignment on the face of the patent)
Jul 26 1981CHRISTIANSON EVACUATOR SERVICE, INC CHRISTIANSON SYSTEMS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE NOV 10, 1980 0039380037 pdf
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