USD243085SExpiredUtility
Battery charging cycle educational board
Individually held — no corporate assignee on recordPriority: Oct 15, 1974Filed: Oct 15, 1974Granted: Jan 18, 1977
Est. expiryOct 15, 1994(expired)· nominal 20-yr term from priority
Inventors:Jack N. Holcomb
42
PatentIndex Score
3
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a battery charging cycle educational board, as shown and described.
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