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The ornamental design for an armrest of office chair, as shown and described.
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FIG. 1 is a perspective view of an armrest 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 |
| D500614, | Sep 15 2003 | Chair arm | |
| D538084, | Jul 05 2006 | True Seating Concepts, LLC | Chair arm |
| D885102, | Mar 20 2018 | THYSSENKRUPP STAIRLIFTS B V | Support structure for a stairlift chair |
| D885703, | Mar 20 2018 | THYSSENKRUPP STAIRLIFTS B V | Stairlift chair |
| Patent | Priority | Assignee | Title |
| D436770, | Jun 04 1999 | HNI TECHNOLOGIES INC | Chair arm |
| D451724, | Dec 22 2000 | Armrest | |
| D460644, | Sep 18 2001 | Chair arm | |
| D465361, | Feb 05 2002 | Armrest |
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