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Publication numberUSD272821 S
Publication typeGrant
Application numberUS 06/305,615
Publication dateFeb 28, 1984
Filing dateSep 25, 1981
Publication number06305615, 305615, US D272821 S, US D272821S, US-S-D272821, USD272821 S, USD272821S
InventorsCharles M. Perethian
Original AssigneeCalifornia Cooperage
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air switch
US D272821 S
Abstract  available in
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  1. The ornamental design for an air switch, substantially as shown and described.

FIG. 1 is a perspective view of an air switch showing my new design;

FIG. 2 is a right side elevational view thereof, the other side being a mirror image;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is an end elevational view thereof.

The cord element is fragmentarily shown on the drawing to indicate indeterminate length.

Non-Patent Citations
1Industrial Equipment News, Jan. 1980 p. 97 Joy "Flexitite" Pendant Switch.
U.S. ClassificationD13/171, D13/167