Patent
   D324698
Priority
Mar 01 1990
Filed
Mar 01 1990
Issued
Mar 17 1992
Expiry
Mar 17 2006
Assg.orig
Entity
unknown
6
7
n/a
The ornamental design for a perpetual calendar, as shown and described.

FIG. 1 is a top perspective view of a perpetual calendar showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof the undisclosed rear being a mirror image;

FIG. 4 is an end elevational view thereof the undisclosed end being a mirror image;

FIG. 5 is a top perspective view of a second embodiment of FIG. 1;

FIG. 6 is a top plan view thereof;

FIG. 7 is a front elevational view thereof; and

FIG. 8 is a side elevational view thereof, the undisclosed side being a mirror image.

Bruns, Deborah S.

Patent Priority Assignee Title
10251803, Apr 30 2012 The Board of Regents of the University of Texas System Shoulder rehabilitation device and method of use
10940363, Mar 14 2015 Board of Regents of the University of Texas System Shoulder rehabilitation device
8556632, Feb 02 2010 Rosary prayer stand
D408446, Aug 03 1998 Perpetual calendar
D435590, Sep 17 1999 Wall calendar and clock
D680294, Feb 02 2010 Rosary prayer stand
Patent Priority Assignee Title
1144487,
2708797,
3473249,
3806398,
149083,
GB3036,
IT327278,
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