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Publication numberUSD261925 S
Publication typeGrant
Application numberUS 06/078,581
Publication dateNov 17, 1981
Filing dateSep 21, 1979
Priority dateMar 27, 1979
Publication number06078581, 078581, US D261925 S, US D261925S, US-S-D261925, USD261925 S, USD261925S
InventorsLauno Laakkonen
Original AssigneeOy Kolster Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Over-pressure valve for ventilation
US D261925 S
Abstract  available in
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  1. The ornamental design for an over-pressure valve for ventilation, as shown and described.

FIG. 1 is a perspective view taken from the top and one side of an over-pressure valve for ventilation showing my new design; and

FIG. 2 is a perspective view taken from the bottom and side opposite that shown in FIG. 1.

U.S. ClassificationD23/421