USD502156SExpiredUtility

Main unit of entrance television phone system

80
Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO LTDPriority: Dec 29, 2003Filed: Dec 29, 2003Granted: Feb 22, 2005
Est. expiryDec 29, 2023(expired)· nominal 20-yr term from priority
Inventors:Tamotsu SendaKouji Yukikado
80
PatentIndex Score
24
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a main unit of entrance television phone system, as shown and described.

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