USD433677SExpiredUtility

Telephone exchanger

83
Assignee: NEC CORPPriority: May 31, 1999Filed: Nov 30, 1999Granted: Nov 14, 2000
Est. expiryMay 31, 2019(expired)· nominal 20-yr term from priority
Inventors:Haruo TsugeKazuo IkedaKentaro TsudaMuneyoshi Mikuni
83
PatentIndex Score
31
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone exchanger, as shown.

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