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The ornamental design for office chair, as shown and described. |
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FIG. 1 is a perspective view of office chair showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| D496535, | Mar 21 2002 | HNI TECHNOLOGIES INC | Office chair |
| D507707, | Mar 21 2002 | HNI TECHNOLOGIES INC | Chair |
| D562037, | Feb 01 2007 | John, Kaloustian | Seat base |
| D793785, | Dec 10 2015 | Vornado Air, LLC | Pedestal base |
| Patent | Priority | Assignee | Title |
| D321993, | Jul 22 1988 | Chair | |
| D409022, | Nov 25 1997 | La-Z-Boy Incorporated | Pedestal based arm chair |
| D427793, | Jun 02 1999 | HNI TECHNOLOGIES INC | Chair |
| D437130, | Apr 28 2000 | SHIN YEH ENTERPRISE CO , LTD | Chair |
| D437499, | Apr 28 2000 | SHIN YEH ENTERPRISE CO , LTD | Chair |
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