Notebook with removable sheets
US6431780B1 · kind B1 · utility
14Cited by
10References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1999 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Dec 14, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45C3/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A paper sheet comprising a sheet having a first set of holes for receiving an external binder therethrough and a second set of holes for receiving an external binder therethrough. The second set of holes are laterally aligned with the first set of holes. The sheet further includes a set of perforations extending between the first and second set of holes such that a portion of the sheet containing the second set of holes may be manually separated from a portion of the sheet containing the first set of holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.