B42F 13/38
Expansible cover splines or spines
Official title: Expansible cover splines {or spines}
B42F13/38 (Expansible cover splines or spines) appears on 11 US grants and 11 published applications in this corpus.
Search patents in B42F- Granted patents
- 11
- Published applications
- 11
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 5 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 4 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expandable storage device5 Apr 2022US 11,292,284 B2ACCO Brands Corporation
- Binder with expandable spine3 Nov 2020US 10,821,767 B1Lo-Res Labs LLC
- Binder with a latterally extendable spine31 May 2016US 9,352,606 B2
- Ring binder having attachable and detachable covers9 Feb 2016US 9,254,705 B2Deli Group Co. Ltd
- Devices and methods for supporting printed matter29 Jun 2010US 7,744,128 B2Striding Trees, LLC
- Modular Notebook System12 Mar 2026US 2026/0070367 A1VersiFolio, LLC
- Expandable storage device30 Dec 2021US 2021/0402823 A1ACCO Brands Corporation
- Binder with a latterally adjustable spine and variable pivot hinge5 Jan 2017US 2017/0001463 A1
- Ring binder having attachable and detachable covers29 Aug 2013US 2013/0223917 A1Deli Group Co. Ltd
- Binder with a latterally extendable spine12 Apr 2012US 2012/0087713 A1
Most cited
By later US patents
- Binding device10US 4,761,091 AKing Jim Co., Ltd. · 1988
- Expandable book cover8US 3,972,632 ABook Covers Inc. · 1976
- Method and apparatus for forming notches for gussets for expandable envelopes8US 4,540,390 AAcebee Manufacturing Co. · 1985
- Devices and methods for supporting printed matter6US 7,744,128 B2Striding Trees, LLC · 2010
- Binder4US 7,661,900 B22010