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Publication numberUSD260216 S
Publication typeGrant
Application numberUS 05/908,146
Publication dateAug 18, 1981
Filing dateMay 22, 1978
Publication number05908146, 908146, US D260216 S, US D260216S, US-S-D260216, USD260216 S, USD260216S
InventorsRandall P. Buhk
Original AssigneeSteelcase Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair base
US D260216 S
Images(3)
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Claims(1)
  1. The ornamental design for chair base, substantially as shown.
Description

FIG. 1 is a perspective view of a chair base made in accordance with the design of my invention;

FIG. 2 is a side elevational view of the chair base;

FIG. 3 is a side elevational view of the chair base rotated 45 from the showing in FIG. 2;

FIG. 4 is a top plan view of the chair base with one arm broken away for convenience;

FIG. 5 is a bottom plan view of the chair base;

FIG. 6 is a cross-sectional view taken along plane VI--VI of FIG. 4;

FIG. 7 is a perspective view of an alternative embodiment of my design employing five base arms instead of four;

FIG. 8 is a perspective view of an alternative embodiment of my design;

FIG. 9 is a side elevational view of the alternative embodiment;

FIG. 10 is a side elevational view of the alternative embodiment rotated 45 from the showing in FIG. 9; and

FIG. 11 is a cross-sectional view taken along plane XI--XI of FIG. 8.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6585320Jun 15, 2001Jul 1, 2003Virco Mgmt. CorporationTilt control mechanism for a tilt back chair
Classifications
U.S. ClassificationD06/708.24