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Publication numberUSD350887 S
Publication typeGrant
Application numberUS 29/009,202
Publication dateSep 27, 1994
Filing dateJun 8, 1993
Priority dateFeb 26, 1993
Publication number009202, 29009202, US D350887 S, US D350887S, US-S-D350887, USD350887 S, USD350887S
InventorsRobert Sjolander, Dag Stenmark
Original AssigneeC. M. E. Blasting and Mining Equipment Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Grinding cup
US D350887 S
Abstract  available in
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  1. The ornamental design for a grinding cup, as shown and described.

FIG. 1 is a front isometric view of the invention taken from the exterior top thereof; and,

FIG. 2 is an isometric view of the invention taken from the bottom thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8459346Dec 16, 2011Jun 11, 2013Magnum Oil Tools International LtdBottom set downhole plug
US8496052Dec 23, 2008Jul 30, 2013Magnum Oil Tools International, Ltd.Bottom set down hole tool
US8899317May 13, 2013Dec 2, 2014W. Lynn FrazierDecomposable pumpdown ball for downhole plugs
U.S. ClassificationD08/70