USD452234SExpiredUtility

Push-button matrix

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Assignee: BELLSOUTH INTELLECT PTY CORPPriority: Nov 20, 1996Filed: Dec 8, 1998Granted: Dec 18, 2001
Est. expiryNov 20, 2016(expired)· nominal 20-yr term from priority
Inventors:Rachel RussellChristopher M. Arena
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PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a push-button matrix, as shown and described.

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