USD309306SExpiredUtility
Unitary telephone ear receiver element and attached microphone
Individually held — no corporate assignee on recordPriority: Mar 13, 1989Filed: Mar 13, 1989Granted: Jul 17, 1990
Est. expiryMar 13, 2009(expired)· nominal 20-yr term from priority
95
PatentIndex Score
106
Cited by
14
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a unitary telephone ear receiver element and attached microphone, as shown and described.
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