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Patent
D475796
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Priority
May 28 2002
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Filed
May 28 2002
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Issued
Jun 10 2003
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Expiry
Jun 10 2017
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Assg.orig
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Entity
unknown
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2
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3
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n/a
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The ornamental design for a industrial dust control door, as shown and described.
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FIG. 1 is a top perspective view of my present design, an industrial dust control door.
FIG. 2 is a bottom perspective view thereof; and,
FIG. 3 is a cross-sectional view taken along lines 3--3 of FIG. 2.
Liu, David
Patent |
Priority |
Assignee |
Title |
D637740, |
Jan 10 2010 |
|
Attic door insulator |
D947409, |
Jul 16 2021 |
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Insulated crawlspace door panel |
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