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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B32B 21/04

comprising wood as the main or only constituent of a layer, next to another layer of a

Introduced: September 1968

Title

Titles differ between systems:

IPC: comprising wood as the main or only constituent of a layer, next to another layer of a specific substance

CPC: comprising wood as the main or only constituent of a layer, next to another layer of a

Full Title

Full titles differ between systems:

IPC:

Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board > comprising wood as the main or only constituent of a layer, next to another layer of a specific substance

CPC:

Layered products comprising wood, e.g. wood board, veneer, wood particle board > comprising wood as the main or only constituent of a layer, next to another layer of a

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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