Triangular-shaped writing instrument with abrasive surface on upper portion

The ornamental design for a triangular-shaped writing instrument with abrasive surface on upper portion, as shown and described.

FIG. 1 is a top plan view of a triangular-shaped writing instrument with abrasive surface on upper portion showing our new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a perspective isometric view thereof.

Patent	Priority	Assignee	Title
D602525,	Dec 04 2008		Writing instrument with nail file
D685429,	Dec 29 2011	SANFORD, L P	Writing instrument
D757850,	Mar 19 2015	NINGBO SYLOON IMP AND EXP CO., LTD; NINGBO SYLOON IMP AND EXP CO , LTD	Stylus and pen with screen cleaner
D772982,	Dec 23 2014	Swarovski Aktiengesellschaft	Pen
D797854,	May 25 2017		Bearing pen
D835419,	Mar 18 2015	HCT GROUP HOLDINGS LIMITED	Multi-head dual end cosmetic applicator
D890844,	Jan 17 2019		Pen
D954146,	Jan 17 2019	Spec.MFG LLC	Pen

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94106,

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