B28D 1/14 by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )
Introduced: September 1968
Title
Titles differ between systems:
IPC: by boring or drilling
CPC: by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )
Full Title
Full titles differ between systems:
Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor > by boring or drilling
Working stone or stone-like materials, e.g. brick, concrete , not provided for elsewhere; Machines, devices, tools therefor (fine working of gems, jewels, crystals B28D5/00; working by grinding or polishing B24; devices or means for dressing or conditioning abrasive surfaces B24B53/00) > by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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