IPC Main Group
B31D 3/00 Making articles of cellular structure, e.g. insulating board
Introduced: September 1968
Last revised: January 2017
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- Subclass:
- MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES OR
Related Keywords
making CELLULAR structures of paper, metal foil, plastic sheet or the like
2 direct subcodes
Child Classifications
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