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PCE
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DIFF Subgroup
H01K 9/04

with built-in manually operated switch

Introduced: September 1968

Title

Titles differ between systems:

IPC: with built-in manually-operated switch

CPC: with built-in manually operated switch

Full Title

Full titles differ between systems:

IPC:

Lamps having two or more incandescent bodies separately heated > to provide substitution in the event of failure of one of the bodies > with built-in manually-operated switch

CPC:

Lamps having two or more incandescent bodies separately heated (H01K11/00, H01K13/00 take precedence) > to provide substitution in the event of failure of one of the bodies > with built-in manually operated switch

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