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Envelopes, wrappers, and paperboard boxes

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
229100000 PAPERBOARD BOX 722
229680100 ENVELOPE 90
229670100 FILE FOLDER OR FILE ENVELOPE 66
229400000 PAPER OR PAPERBOARD CUP 58
229870010 WRAPPER 57
229920800 POSTAL CARDS OR PACKETS 12
229406000 MOLDED OR PRESSED CONTAINER 11
229800000 MISCELLANEOUS 1
20090050683Paperboard assembly - A paperboard assembly includes a paperboard with hook-loop member connected to at least one side of the paperboard. The paperboard includes a top board, a bottom board and a mediate portion which is connected between the top board and the bottom board. The paperboard assemblies can be connected to each other or separated from each other by the hook-loop members. The paperboard assemblies are connected in a specific arrangement to from a desired shape.02-26-2009

Patent applications in class Envelopes, wrappers, and paperboard boxes

Patent applications in all subclasses Envelopes, wrappers, and paperboard boxes