(under subclass 275.1) Subject matter wherein the combustible substance is one which detonates to produce a shock wave which is used to detonate a shock sensitive explosive charge.
SEE OR SEARCH THIS CLASS, SUBCLASS:
202.5, for electrically detonated detonator cords.
275.5, for a detonator cord detonated blasting cap.
305, for detonation wave modifying including shaped charges with a detonator cord primer.
311, for patterned blasting at plural locations using a detonator cord primer.
313, for placing or inserting a blasting charge in a borehole to be set off by a detonator cord.
322, for a contained blasting charge set off by a detonator cord. 332, for a blasting charge set off by a detonator cord.
SEE OR SEARCH CLASS
149, Explosive and Thermic Compositions or Charges,
