Patent
   D427631
Priority
Oct 01 1999
Filed
Oct 01 1999
Issued
Jul 04 2000
Expiry
Jul 04 2014
Assg.orig
Entity
unknown
1
6
n/a
The ornamental design for a perpetual calendar, as shown.

FIG. 1 is a front elevational view of the perpetual calendar of the present invention;

FIG. 2 is a rear elevational view of the perpetual calendar of FIG. 1;

FIG. 3 is a left side elevational view of the perpetual calendar of FIG. 1;

FIG. 4 is a right side elevational view of the perpetual calendar of FIG. 1;

FIG. 5 is a top plan view of the perpetual calendar of FIG. 1; and,

FIG. 6 is a bottom plan view of the perpetual calendar of FIG. 1.

Paal, Frank

Patent Priority Assignee Title
D722110, Oct 18 2012 Calendar
Patent Priority Assignee Title
1611538,
3991499, May 21 1974 Variable calendar
476263,
233521,
D246048, Sep 18 1975 Wall calendar
D279689, Dec 16 1982 Perpetual calendar
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