Flying insect container guard

AB Norris - US Patent 4,898,298, 1990 - Google Patents
A flying insect container guard is set forth comprising an annular guard formed with a
downwardly extending skirt and an orthogonally upwardly positioned rim including a screen
matrix of predetermined openings tapering downwardly into orifices to meter flow of fluid
from an associated beverage container through the openings. A guard removal leg extends
downwardly from the skirt for removal of the lid subsequent to use.