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PCE
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DIFF Subgroup
F42B 4/20

characterised by having holder or support other than casing, e.g. whirler or spike support

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes > characterised by having holder or support other than casing, e.g. whirler or spike support

CPC:

Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes (signalling by explosives G08B; advertising by fireworks G09F13/46; ) > characterised by having holder or support other than casing, e.g. whirler or spike support

No child classifications to compare. This is a leaf node in both IPC and CPC.