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Patent
   D543396
Priority
Sep 05 2003
Filed
May 20 2005
Issued
May 29 2007
Expiry
May 29 2021

TERM.DISCL.
Inventors
Heidmann, …
Assg.orig
Steelcase …
Assg.curr
Steelcase …
Entity
unknown
Referenced by
11
References
49
Maint.:
n/a
We claim the ornamental design for a back construction, as shown and described.

FIG. 1 is a front perspective view of a back construction embodying the present invention; and,

FIGS. 2-6 are a right, front, rear, top, and bottom views of the back construction in FIG. 1, the left side being a mirror image of the right side in FIG. 2.
INVENTORS:

Heidmann, Kurt R., Loew, Glen Oliver

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D572509, Jan 25 2006 Flokk AB Chair back
D586594, Jan 25 2006 Flokk AB Chair back
D703987, Jun 07 2013 Steelcase Inc Chair
D703988, Jun 07 2013 Steelcase Inc Chair
D704487, Jun 07 2013 Steelcase Inc Chair
D706547, Jun 07 2013 Steelcase Inc Chair
D707976, Jun 07 2013 Steelcase Inc Chair
D721529, Jun 07 2013 Steelcase Inc Handle apparatus
D793112, Jul 24 2015 Chair
ER3459,
ER7914,
THIS PATENT REFERENCES THESE PATENTS:
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ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
May 20 2005Steelcase Development Corporation(assignment on the face of the patent)
Oct 17 2007Steelcase Development CorporationSteelcase IncMERGER SEE DOCUMENT FOR DETAILS 0203530054 pdf
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