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Patent
   D279689
Priority
Dec 16 1982
Filed
Dec 16 1982
Issued
Jul 16 1985
Expiry
Jul 16 1999
Inventors
Fedor, Art…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
3
Maint.:
n/a
The ornamental design for a perpetual calendar, as shown and described.

FIG. 1 is a side elevation view of a perpetual calendar showing my new design, and showing the obverse side of each of the date slides;

FIG. 2 is a plan view thereof;

FIG. 3 is an end view thereof; and

FIG. 4 is a side view thereof showing the reverse side of each of the date slides.

The rear of the slide holder is plain and unornamented.
INVENTORS:

Fedor, Arthur

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D427631, Oct 01 1999 Perpetual calendar
D435590, Sep 17 1999 Wall calendar and clock
D476361, Jun 05 2002 Millennium calendar
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
233521,
238668,
D246048, Sep 18 1975 Wall calendar
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