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PCE
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DIFF Subgroup
H01H 33/78

wherein the break is in gas (in air at atmospheric pressure H01H33/77)

Introduced: September 1968

Title

Titles differ between systems:

IPC: wherein the break is in gas

CPC: wherein the break is in gas (in air at atmospheric pressure H01H33/77)

Full Title

Full titles differ between systems:

IPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid > wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor > wherein the break is in gas

CPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid > wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor > wherein the break is in gas (in air at atmospheric pressure H01H33/77)

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