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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.
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, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 31 1990 | BREEN, JOHN D | Rubbermaid Incorporated | ASSIGNMENT OF ASSIGNORS INTEREST | 005406 | /0148 | |
Aug 06 1990 | Rubbermaid Incorporated | (assignment on the face of the patent) | / |
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