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Patent
   D243085
Priority
Oct 15 1974
Filed
Oct 15 1974
Issued
Jan 18 1977
Expiry
Jan 18 1991
Inventors
Holcomb, J…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
3
Maint.:
n/a
The ornamental design for a battery charging cycle educational board, as shown and described.

FIG. 1 is a left front perspective view of a battery charging cycle educational board showing my new design;

FIG. 2 is a right front perspective view thereof; and,

FIG. 3 is a rear perspective view thereof shown on a slightly reduced scale.
INVENTORS:

Holcomb, Jack N.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D533474, Jul 12 2004 PROGETICA S R L Portion of a display panel
D898825, Apr 30 2019 Research Foundation of City University of New York Electron house teaching aid
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2374800,
2826628,
3295226,
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