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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