USD399522SExpiredUtility

Digital abacus

45
Individually held — no corporate assignee on recordPriority: Nov 26, 1996Filed: Nov 26, 1996Granted: Oct 13, 1998
Est. expiryNov 26, 2016(expired)· nominal 20-yr term from priority
Inventors:William S. NyeWilliam M. Pease
45
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a digital abacus, as shown and described.

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