B42F 13/32
The nesting portions of the rods and tubes being straight
Official title: the nesting portions of the rods and tubes being straight
B42F13/32 (The nesting portions of the rods and tubes being straight) appears on 15 US grants and 4 published applications in this corpus.
Search patents in B42F- Granted patents
- 15
- Published applications
- 4
- Assignees
- 8
- Inventors
- 26
- Latest grant
- 1 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
Most cited
By later US patents
- Modular book binder21US 5,338,125 A1994
- Device for interlocking perforated writing material17US 4,175,880 APostalia GmbH · 1979
- Binding device8US 4,730,950 AKing Jim Co., Ltd. · 1988
- Loose leaf binder with rigid telescopic post assemblies and magnetically retained bar7US 4,129,396 A1978
- Looseleaf binder mechanism6US 3,958,886 ARoyal Business Machines, Inc. · 1976