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The ornamental design for perpetual wall calendar, as shown and described. |
FIG. 1 is a front perspective view of a perpetual wall calendar showing my new design on an enlarged scale;
FIG. 2 is a front elevational view;
FIG. 3 is a right side elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view thereof.
The undisclosed rear surface is conventionally flat and unornamented.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 27 1986 | NAVA, RINALD0 | NAVA MILANO S P A | ASSIGNMENT OF ASSIGNORS INTEREST | 004578 | /0452 | |
Jul 08 1986 | Nava Milano S.p.A. | (assignment on the face of the patent) | / |
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