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Patent
   D301308
Priority
Apr 14 1986
Filed
Apr 14 1986
Issued
May 30 1989
Expiry
May 30 2003
Inventors
Ray, Debor…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
11
References
23
Maint.:
n/a
The ornamental design for a educational clock, as shown and described.

FIG. 1 is a front elevational view of an educational clock showing my new design, the rear being plain and unornamented;

FIG. 2 is a typical side elevational view thereof.
INVENTORS:

Ray, Deborah S.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5457663, Dec 10 1993 Astronomical time clocks
D357635, Sep 27 1993 Timex Corporation Case for combination analog and digital wristwatch
D358336, Dec 10 1993 Digital astronomical time clock
D360365, Dec 10 1993 Astronomical time clock
D369185, Mar 13 1995 Instructional windsurfing gauge
D407021, May 06 1998 Clock
D419600, May 18 1999 Teaching timepiece
D438482, Apr 13 1999 PRIM TIME TECHNOLOGY Wristwatch screen
D440160, Jun 30 2000 Backwards clock
D447976, Apr 06 2000 Wrist watch dial plate
D546390, Nov 16 2006 Youth Toy Enterprise Co., Ltd. Teaching toy
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
340507,
102089,
105766,
137506,
147091,
168521,
171958,
187608,
212773,
236962,
240718,
241728,
D244178, Jun 18 1975 Combined dial and hands for a timepiece
D244179, Jun 18 1975 Combined dial and hands for a timepiece
D244672, Mar 15 1976 Molyneux Clocks Moon disc for a clock face
D247481, Feb 02 1976 Combined clockface and hands
D256781, May 18 1978 Eclipse clock
D256807, Oct 10 1978 Educational clock apparatus
D268686, Sep 22 1980 GOPFERT, JURGEN Children's clock
D268816, Dec 08 1977 VENKER, JACOB WILLEM MARIUM Pocket watch
D275840, Aug 30 1982 Wall clock
48658,
54950,
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