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Patent
D290881
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Priority
Apr 18 1984
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Filed
Oct 11 1984
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Issued
Jul 14 1987
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Expiry
Jul 14 2001
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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 corner piece for a base plate ventilation system, as shown.
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FIG. 1 is a top perspective view of a corner piece for a base plate
ventilation system showing my new design; and
FIG. 2 is a bottom perspective view thereof.
Rittinge, Christer
Patent |
Priority |
Assignee |
Title |
4381630, |
Dec 01 1980 |
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Foundation vent structure |
4528787, |
Mar 24 1983 |
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Base plate system |
4612742, |
Mar 19 1981 |
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Wall and foundation drainage construction |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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