USD635561SActiveUtility
Private branch exchange
Est. expiryFeb 29, 2028(~1.6 yrs left)· nominal 20-yr term from priority
Inventors:Toshihiro Nakashima
66
PatentIndex Score
14
Cited by
23
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a private branch exchange, as shown and described.
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