USD520449SExpiredUtility

Optical add-drop multiplexer

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Assignee: JST MFG CO LTDPriority: Dec 26, 2003Filed: Jun 15, 2004Granted: May 9, 2006
Est. expiryDec 26, 2023(expired)· nominal 20-yr term from priority
Inventors:Makoto ShiraishiKeiji SakaguchiYutaka Katsuyama
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PatentIndex Score
4
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10
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1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an optical add-drop multiplexer, as shown and described.

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