.~.~ Removably attached to receptacle by relative rotation between keepers (e.g., screw threads or lugs) {11}
338
.~.~.~ Keeper shaved from inner surface of cap skirt
DEFINITION
Classification: 215/338
(under subclass 329) Devices, wherein a superficial of the closure skirt wall is cut away to form a keeper strip attached at one end to said wall and projecting inwardly therefrom.