Patent
   D257574
Priority
Oct 16 1978
Filed
Oct 16 1978
Issued
Dec 02 1980
Expiry
Dec 02 1994
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for diamond design chair back, as shown and described.

FIG. 1 is a top right perspective view of a chair back showing my ornamental design.

FIG. 2 is a bottom left perspective view thereof.

FIG. 3 is an enlarged view of the chair back of FIG. 1 taken generally from circle 3 of FIG. 1.

FIG. 4 is an enlarged view of a portion of the chair back of FIG. 1 taken generally from circle 4 of FIG. 1.

FIG. 5 is an enlarged view of a portion of the chair back of FIG. 1 taken generally from circle 5 of FIG. 1.

Hanaford, Donald E.

Patent Priority Assignee Title
D901921, Jan 16 2019 MILLERKNOLL, INC Furniture article
Patent Priority Assignee Title
180743,
200533,
211462,
218302,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 29 1980HANAFORD DONALD E THOMSON, ARTHUR E ,ASSIGNMENT OF ASSIGNORS INTEREST 0037940052 pdf
Apr 28 1989THOMSON, ARTHUR E COLLINS, WILLIAMASSIGNMENT OF ASSIGNORS INTEREST 0051250788 pdf
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