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Publication numberUSD312691 S
Publication typeGrant
Application numberUS 07/133,695
Publication dateDec 4, 1990
Filing dateDec 16, 1987
Publication number07133695, 133695, US D312691 S, US D312691S, US-S-D312691, USD312691 S, USD312691S
InventorsPaul S. Spock
Original AssigneeSupelco, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Threaded heatless concentrator
US D312691 S
Abstract  available in
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  1. The ornamental design for a threaded heatless concentrator, as shown and described.

FIG. 1 is a front elevational view of a threaded heatless concentrator, showing my new design;

FIG. 2 is a side elevational view thereof, turned 90 with respect to FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a perspective view thereof.

U.S. ClassificationD24/231, D24/112