Patent
   D408446
Priority
Aug 03 1998
Filed
Aug 03 1998
Issued
Apr 20 1999
Expiry
Apr 20 2013
Assg.orig
Entity
unknown
1
9
n/a
The ornamental design for a perpetual calendar, as shown and described.

FIG. 1 is a perspective view of the perpetual calendar, according to my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view of the perpetual calendar;

FIG. 6 is a side elevation looking in from the left of FIG. 1; and,

FIG. 7 is a side elevation looking in from the right of FIG. 1.

Dagan, Gideon

Patent Priority Assignee Title
D872641, Dec 29 2016 Samsung Electronics Co., Ltd. Sculpture
Patent Priority Assignee Title
1069533,
1803658,
141924,
193745,
D275840, Aug 30 1982 Wall clock
D301557, Nov 26 1984 Trast Enterprise S.r.l. Electro-optical watch dial or the like
D324698, Mar 01 1990 Perpetual calendar
D347600, Nov 16 1992 TROPAR MANUFACTURING CO , INC Award plaque
D377762, Nov 27 1995 Industrial Technology Research Institute Desk clock
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