Patent
   D297352
Priority
Apr 22 1985
Filed
Apr 22 1985
Issued
Aug 23 1988
Expiry
Aug 23 2002
Assg.orig
Entity
unknown
0
3
n/a
The ornamental design for the rotary air valve, as shown.

FIG. 1 is a perspective view taken from the front and right side of a rotary air valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Clement, Charles R.

Patent Priority Assignee Title
Patent Priority Assignee Title
3332218,
3973592, Jan 27 1975 Water Services of America, Inc. Fluid flow diverter
208225,
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