Envelopes, wrappers, and paperboard boxes
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
229100000 | PAPERBOARD BOX | 1079 |
229680100 | ENVELOPE | 118 |
229400000 | PAPER OR PAPERBOARD CUP | 91 |
229670100 | FILE FOLDER OR FILE ENVELOPE | 91 |
229870010 | WRAPPER | 90 |
229406000 | MOLDED OR PRESSED CONTAINER | 16 |
229920800 | POSTAL CARDS OR PACKETS | 14 |
229800000 | MISCELLANEOUS | 1 |
20090050683 | Paperboard 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 |