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Patent
D554550
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Priority
Jan 17 2005
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Filed
Jul 14 2005
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Issued
Nov 06 2007
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Expiry
Nov 06 2021
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Assg.orig
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Entity
unknown
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0
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4
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n/a
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The ornamental design for a nitrogen extractor, as shown and described.
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FIG. 1 is a perspective view of a nitrogen extractor;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Mochizuki, Toshikazu
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