A47B 21/045
Fastening means for paper sheet
Official title: {Fastening means for paper sheet; Paper trays; Accessories for typists, e.g. line indicators}
A47B21/045 (Fastening means for paper sheet) appears on 84 US grants and 25 published applications in this corpus.
Search patents in A47B- Granted patents
- 84
- Published applications
- 25
- Assignees
- 26
- Inventors
- 111
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 4 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Stationery clamp90US 6,370,741 B12002
- Computer copy holder for keyboard drawer87US 6,042,075 A2000
- Frame assembly and composite inclusive thereof84US 5,549,267 AMinnesota Mining and Manufacturing Company · 1996
- Note/memo board for computers and like information devices72US 5,104,087 A1992
- Mounting board for video display screen housing66US 5,328,145 A1994