US D321669 S
Abstract available in
FIG. 1 is a perspective view of an hourglass timer showing my new design.
FIG. 2 is a top plan view thereof, the bottom plan view being a mirror image thereof;
FIG. 3 is a typical side elevational view thereof.
A broken-line showings of the sand level in FIGS. 1 and 3 are for environmental purposed and form no part of the claimed design.