(under subclass 314) Subject matter wherein there are more than one contained blasting charge.
(1) Note. Here are plural explosive charges separately contained in a common unit and plural contained blasting charges joined together, but not similar contained charges joined end to end.
SEE OR SEARCH THIS CLASS, SUBCLASS:
310, for plural charges, at least one being a shaped charge.
311, for explosive means at plural locations including plural boreholes.
313, for the placing or inserting of explosives in a hollowed-out place.
317, for similar contained charges joined end to end. 318, for a booster and a main explosive charge.
