US PATENT SUBCLASS 102 / 304
.~ Blasting plug including an opening for a fuse, fuse ignitor, or explosive

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

301  DF  BLASTING {11}
304.~ Blasting plug including an opening for a fuse, fuse ignitor, or explosive

DEFINITION

Classification: 102/304

Blasting plug including an opening for a fuse, fuse ignitor, or explosive:

(under subclass 301) Subject matter which includes means to seal the opening of a blast hole having a passageway for (a) a fuse cord or fuse ignitor, or (b) supplying or holding an explosive in the plug or blast hole.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, for stemming used to seal blast holes or combined with a charge not provided for elsewhere.

333, for blasting plugs.