Patent
   D327505
Priority
Aug 06 1990
Filed
Aug 06 1990
Issued
Jun 30 1992
Expiry
Jun 30 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 front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

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

FIG. 6 is a bottom plan view thereof;

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

FIG. 8 is a top, left front perspective view of a third embodiment of my new design.

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
May 31 1990BREEN, JOHN D Rubbermaid IncorporatedASSIGNMENT OF ASSIGNORS INTEREST 0054060148 pdf
Aug 06 1990Rubbermaid Incorporated(assignment on the face of the patent)
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