USD541264SExpiredUtility

PBX communication system

51
Assignee: INTER TEL INCPriority: Aug 9, 2005Filed: Aug 9, 2005Granted: Apr 24, 2007
Est. expiryAug 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Christopher James EmmettNicholas Vessey
51
PatentIndex Score
14
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a PBX communication system, as shown and described.

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