B42F 21/12
Sheets, papers, or cards having edges cut away to facilitate indexing
Official title: Sheets, papers, or cards having edges cut away to facilitate indexing, e.g. thumb cuts on books
B42F21/12 (Sheets, papers, or cards having edges cut away to facilitate indexing) appears on 37 US grants and 46 published applications in this corpus.
Search patents in B42F- Granted patents
- 37
- Published applications
- 46
- Assignees
- 24
- Inventors
- 64
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 1 | 5 |
| 2005 | 2 | 7 |
| 2006 | 4 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheet dividers with multiple rows of offset tabs19 Sep 2023US 11,760,121 B2CCL Label, Inc.
- Sheet dividers with multiple rows of offset tabs27 Jun 2023US 11,685,184 B2CCL Label, Inc.
- Edge tabs for notebook17 May 2022US 11,331,941 B2ACCO Brands Corporation
- Sheet dividers with multiple rows of offset tabs23 Nov 2021US 11,179,961 B2CCL Label, Inc.
- Method for changing an edge of a portable card-shaped data carrier19 Oct 2021US 11,148,458 B2Giesecke+Devrient Mobile Security GmbH
- Note pad and note pad page thereof1 May 2025US 2025/0135799 A1Kaisa USA, Inc.
- Sheet dividers with multiple rows of offset tabs29 Sep 2022US 2022/0305839 A1CCL Label, Inc.
- Sheet dividers with multiple rows of offset tabs10 Mar 2022US 2022/0072893 A1CCL Label, Inc.
- Edge tabs for notebook19 Aug 2021US 2021/0252899 A1ACCO Brands Corporation
- Edge tabs for notebook4 Jun 2020US 2020/0171873 A1ACCO Brands Corporation
Most cited
By later US patents
- Booklet maker50US 6,099,225 AHewlett-Packard Company · 2000
- Method and apparatus for making booklets28US 6,708,967 B1Hewlett-Packard Development Company, L. P. · 2004
- Agenda system24US 4,669,754 A1987
- Index divider sheet assembly and the like18US 6,004,062 AAvery Dennison Corporation · 1999
- Presentation devices with indexed holders16US 6,648,374 B2Itoya of America, Ltd. · 2003