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Patent
D335173
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Priority
Dec 27 1989
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Filed
Jun 22 1990
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Issued
Apr 27 1993
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Expiry
Apr 27 2007
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Assg.orig
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Entity
unknown
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2
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6
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n/a
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The ornamental design for a coupling element for connecting the flanged ends of ducts, as shown and described.
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FIG. 1 is a perspective view taken from the top and one side of a coupling
element for connecting the flanged ends of ducts in the closed state;
FIG. 2 is a perspective view from the opposite side of the coupling element
in the closed state; and,
FIG. 3 is a perspective view of the coupling element in the open state.
The bottom of the design is a mirror image of the top.
Leufstedt, Stefan, Jaderberg, Carl-Eric
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