US D389,588 SGranted

Stair tread having a slip-resistant surface

AssigneeHarsco Corporation

InventorRobert T. Dunk

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Abstract

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Claims1

Dependent claims

The ornamental design of a stair tread having a slip-resistant surface, as shown and described.

Facts

Application: 29/062,185Filed 8 Nov 1996 · continuation
Priority: 20 May 1996
Granted: 20 Jan 1998
Term ends: Not estimatedThe source records don’t support an estimate.

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Family

Serial054,690Parent of this continuation · filed 20 May 1996
US D389,588 SThis patent

From the US filing history. Foreign family members aren’t listed.

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