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Patent
   D273873
Priority
Jul 13 1981
Filed
Jul 13 1981
Issued
May 15 1984
Expiry
May 15 1998
Inventors
Alessio, F…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
10
References
5
Maint.:
n/a
The ornamental design for a teaching clock, as shown and described.

FIG. 1 is a front view of a teaching clock showing my new design. The hands and face are of conventional thickness.
INVENTORS:

Alessio, Frank

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D297512, Jan 28 1987 SALTON, INC Wall clock
D306611, Dec 11 1986 Educational Insights, Inc. Teaching clock
D359918, Jul 01 1993 Timing device for feeding children and/or administering medicine
D410684, Oct 27 1997 Learning clock
D419600, May 18 1999 Teaching timepiece
D434993, May 04 1999 Face plate for a timepiece
D633815, Nov 01 2009 Clock face
D706648, Mar 21 2012 Clock face with hands over circular pattern
D746373, Jan 25 2010 Emotional indicator device
D875591, Nov 09 2018 Game clock
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2172450,
2647330,
3702507,
FR1485650,
GB1231240,
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