Patent
   D869890
Priority
Dec 05 2017
Filed
Dec 05 2017
Issued
Dec 17 2019
Expiry
Dec 17 2034
Assg.orig
Entity
unknown
9
174
n/a
We claim the ornamental design for a chairback, as shown and described.

FIG. 1 is a top upper perspective view of a first embodiment of a chairback;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a rear lower perspective view thereof;

FIG. 9 is a top upper perspective view of a second embodiment of a chairback;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a front elevation view thereof;

FIG. 14 is a right side elevation view thereof;

FIG. 15 is a left side elevation view thereof; and,

FIG. 16 is a rear lower perspective view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. The uniform broken lines in FIGS. 9-16 illustrate environmental structure, while the dash-dot broken lines therein define bounds of the claimed design and form no part thereof.

Deevers, Nickolaus William Charles, Heidmann, Kurt R., Smith, Bruce, Spoelhof, Mark, Hien, Pascal

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 05 2017Steelcase Inc.(assignment on the face of the patent)
Dec 07 2017SMITH, BRUCESteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0444600278 pdf
Dec 07 2017SPOELHOF, MARKSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0444600330 pdf
Dec 07 2017HEIDMANN, KURT R Steelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0444600375 pdf
Dec 15 2017DEEVERS, NICKOLAUS WILLIAM CHARLESSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0444600216 pdf
Dec 18 2017HIEN, PASCALSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0444600523 pdf
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