USD288337SExpiredUtility

Electronic detection unit for an educational instrument

62
Assignee: PRICE/STERN/SLOAN/PUBLISHERS INCPriority: Mar 29, 1984Filed: Mar 29, 1984Granted: Feb 17, 1987
Est. expiryMar 29, 2004(expired)· nominal 20-yr term from priority
Inventors:Lawrence L. Sloan
62
PatentIndex Score
14
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic detection unit for an educational instrument, substantially as shown.

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