(under subclass 1) Processes involving alteration of a physical characteristic of the contents material before, during, or after filling.
SEE OR SEARCH THIS CLASS, SUBCLASS:
69+, for apparatus for carrying out the processes of this subclass.
82, for apparatus for heating or cooling contents material before, during or after filling.
SEE OR SEARCH CLASS
53, Package Making,
428, for processes which in addition to the material of Class 141 include additional steps pertaining to the manufacture of either the contents or the receiver. 426, Food or Edible Material: Processes, Compositions, and Products,
392+, for packaging processes involving the treatment of food.