USD554550SExpiredUtility

Nitrogen extractor

29
Assignee: HAKKO CORPPriority: Jan 17, 2005Filed: Jul 14, 2005Granted: Nov 6, 2007
Est. expiryJan 17, 2025(expired)· nominal 20-yr term from priority
Inventors:Toshikazu Mochizuki
29
PatentIndex Score
0
Cited by
4
References
1
Claims

Claims

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

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