Patent ID: 11918544
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An apparatus comprising:
a lid;
a cup;
an opening in the lid structured to pass material, expelled from a mouth of a user of the apparatus, to the cup;
a first flange on a first side of the lid protruding up from the lid;
a second flange on a second side of the lid protruding up from the lid, wherein the second side is opposite the first side;
a lip rest between the first flange and the second flange;
a first apex portion of a first ridge of the first flange having a convex curvature of the first apex portion,
a first distal portion of the first ridge of the first flange having a concave curvature of the first distal portion; and
a first proximal portion of the first ridge of the first flange having a concave curvature of the first proximal portion;
a second apex portion of a second ridge of the second flange having a convex curvature of the second apex portion;
a second distal portion of the second ridge of the second flange having a concave curvature of the second distal portion; and
a second proximal portion of the second ridge of the second flange having a concave curvature of the second proximal portion.