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IPC Subgroup
B32B 3/26

characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids

Introduced: September 1968

Last revised: January 2006

Full Title

Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form > characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
LAYERED PRODUCTS
Subclass:
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

2 direct subcodes

Child Classifications

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  • B32B 3/28 characterised by a layer comprising a deformed thin sheet, e.g. corrugated, crumpled
  • B32B 3/3 characterised by a layer formed with recesses or projections, e.g. grooved, ribbed