The ornamental design for a collapsiblecoffeedripper, as shown and described.
FIG. 1 is a front elevational view of a collapsible coffee dripper showing my new design, in a collapsed configuration;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left elevational view thereof;
FIG. 4 is a right elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front perspective view thereof;
FIG. 8 is a front perspective view thereof, in an expanded configuration; and,
FIG. 9 is a front perspective view thereof, in an expanded configuration in use condition.
The broken lines showing portions of the collapsible coffee dripper in FIG. 9 are for the purpose of illustrating environmental structure only and forms no part of the claimed design.