.~ Adjunct comprising lever actuated to constrict passage of contents into package
DEFINITION
Classification: 53/132.1
Adjunct comprising lever actuated to constrict passage of contents into package:
(under subclass 128.1) Apparatus wherein the supplied accessory serves to throttle flow or movement of material into or out of the package and includes a pivotally swinging protuberance manipulated to effect such throttling.
(1) Note. Included here are devices which assemble the closure onto the receptacle and then operate the lever as well as devices which merely operate the lever.