B42D 3/10
Book covers: with locks or closures
Official title: with locks or closures {(covers of loose-leaf binders with locks or closures B42F13/0006)}
B42D3/10 (Book covers: with locks or closures) appears on 30 US grants and 45 published applications in this corpus.
Search patents in B42D- Granted patents
- 30
- Published applications
- 45
- Assignees
- 25
- Inventors
- 79
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 5 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Notebook with configurable note-taking guides and organizational features20 Jun 2023US 11,682,316 B2Worklife Brands LLC
- Self-supporting book30 May 2023US 11,660,901 B2Kermit Zarley Enterprises
- Stationery securing apparatus and instrument holder14 Jun 2022US 11,357,303 B2
- Self-supporting book8 Jun 2021US 11,027,568 B2Kermit Zarley Enterprises
- Protective cover18 Feb 2020US 10,561,211 B2
- Protective case7 May 2026US 2026/0124847 A1Board Boys, LLC
- Machine tool for producing a workpiece of predefined length21 Nov 2024US 2024/0383052 A1Phoenix Contact GmbH & Co.KG
- Self-supporting book23 Sep 2021US 2021/0291576 A1Kermit Zarley Enterprises
- Notebook with configurable note-taking guides and organizational features6 May 2021US 2021/0134180 A1Worklife Brands LLC
- Stationery securing apparatus and instrument holder11 Feb 2021US 2021/0037941 A1
Most cited
By later US patents
- Apparatus for binding items and method of using same68US 5,289,619 A1994
- Combined book closure and page indexing device54US 5,054,816 A1991
- Diary with combination-controlled lock31US 4,453,743 AHallmark Cards, Incorporated · 1984
- Binder with closure29US 4,744,689 A1988
- Book21US 6,247,730 B1Top That Publishing plc · 2001