B42F 13/42
Content transfer devices
Official title: Content transfer devices; Converting into permanent binders
B42F13/42 (Content transfer devices) appears on 10 US grants and 4 published applications in this corpus.
Search patents in B42F- Granted patents
- 10
- Published applications
- 4
- Assignees
- 3
- Inventors
- 16
- Latest grant
- 26 Jun 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fastening arrangement for detachably interconnecting punched documents26 Jun 2007US 7,234,886 B2
- Paper handling device3 Feb 1998US 5,713,682 ASmead Manufacturing Company
- Filing of sheets of paper14 Jan 1997US 5,593,242 AKemtek SA
- Dual purpose file25 May 1993US 5,213,433 A
- Method and apparatus for removing selected papers from file folders8 Dec 1992US 5,169,255 A
Most cited
By later US patents
- Combined sheet compressor and transfer device for attachment to spaced prongs of a file folder fastener15US 4,869,613 APermclip Products Corporation · 1989
- Filing of sheets of paper14US 5,593,242 AKemtek SA · 1997
- Binder for paper sheets with pre-formed holes10US 4,300,848 A1981
- Method and apparatus for removing selected papers from file folders10US 5,169,255 A1992
- Dual purpose file10US 5,213,433 A1993