Coffee Filter

FIG. 1 is a top, front perspective view of a first embodiment of a coffee filter of my new design; FIG. 2 is a front view thereof, wherein the rear view is the same; FIG. 3 is a left view thereof, wherein the right view is the same; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; and FIG. 6 is a cross-sectional view thereof, along line 6 - 6 of FIG. 4 . FIG. 7 is a top, front perspective view of a second embodiment of a coffee filter of my new design; FIG. 8 is a front view thereof, wherein the rear view is the same; FIG. 9 is a left view thereof, wherein the right view is the same; FIG. 10 is a top view thereof; FIG. 11 is a bottom view thereof; and, FIG. 12 is a cross-sectional view thereof, along line 12 - 12 of FIG. 10 . Broken lines of equal length (e.g., dash-dash) represent unclaimed subject matter and form no part of the claimed design. Broken lines of unequal length (e.g., dash-dot) define bounds of the claimed subject matter and form no part of the claimed design. Stipple shading represents a contrast in appearance from line shading and does not represent any particular color, texture, finish, or material. Stipple shading represents contrast in appearance from line shading and does not represent any particular color, texture, finish, or material.