Patent
   D328104
Priority
Jul 09 1990
Filed
Jul 09 1990
Issued
Jul 21 1992
Expiry
Jul 21 2006
Assg.orig
Entity
unknown
2
14
n/a
The ornamental design for a letter tray riser, as shown and described.

FIG. 1 is a top, left front perspective view of a letter tray riser showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view of a second embodiment of my new design;

FIG. 5 is a right side elevational view of FIG. 1 the left side being a mirror image thereof;

FIG. 6 is a rear elevational view of FIG. 1;

FIG. 7 is a top, left front perspective view of a third embodiment of my new design; and,

FIG. 8 is a top, left front perspective view of FIG. 4.

Breen, John D.

Patent Priority Assignee Title
D360226, Aug 23 1993 SANFORD, L P Riser for letter tray
D479274, Dec 04 2001 SANFORD, L P Container connector
Patent Priority Assignee Title
3648849,
3838840,
4074810, Sep 27 1976 Rubbermaid Commercial Products Inc. Combination tiered letter tray and vertical file
4353470, Feb 28 1980 Berol Corporation Vertically stackable tray set
4534475, Mar 14 1983 Artistic Desk Pad & Novelty Co., Inc. Tray stacking
4785939, May 26 1987 SANFORD, L P Stacking tray
4863042, Feb 09 1988 Biella-Neher AG File tray
4887724, Aug 25 1988 Smith Metal Arts Co., Inc. Tiered tray assembly
4907703, Aug 15 1986 SANFORD, L P Office desk storage system
146259,
188832,
D261904, Feb 22 1980 Tenex Corporation Stacked letter tray
DE20384143,
GB826507,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 18 1990BREEN, JOHN D RUBBERMAID INCORPORATED,ASSIGNMENT OF ASSIGNORS INTEREST 0053780037 pdf
Jul 09 1990Rubbermaid Incorporated(assignment on the face of the patent)
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