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PCE
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DIFF Subgroup
E21B 27/02

Dump bailers, i.e. containers for depositing substances, e.g. cement or acids

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Containers for collecting or depositing substances in boreholes or wells, e.g. bailers for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits > Dump bailers, i.e. containers for depositing substances, e.g. cement or acids

CPC:

Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits > Dump bailers, i.e. containers for depositing substances, e.g. cement or acids

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