B42F 17/34
Card-filing arrangements: with card selection means
Official title: with card selection means, e.g. telephone number list finders (selecting devices for data cards G06K21/00)
B42F17/34 (Card-filing arrangements: with card selection means) appears on 38 US grants and 3 published applications in this corpus.
Search patents in B42F- Granted patents
- 38
- Published applications
- 3
- Assignees
- 20
- Inventors
- 35
- Latest grant
- 19 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Billwheel19 Jan 2021US 10,894,439 B2
- Portable directory and note pad tray25 Jun 1991US 5,025,919 A`totes`, incorporated
- Memory dial telephone finder29 Jan 1991US 4,989,241 A
- Under-phone telephone index8 Jan 1991US 4,982,518 AExim Design Handelsgesellschaft mbH
- Telephone index12 Sep 1989US 4,864,751 AConfon AG
Most cited
By later US patents
- Portable directory and note pad tray33US 5,025,919 A`totes`, incorporated · 1991
- Device for holding credit cards and bank check cards31US 4,852,727 AFerob, A.G. · 1989
- Automatic card selector for random-access card file system16US 4,619,367 ANB Jackets de Puerto Rico · 1986
- Item list setting mechanism in an item selection signal input system11US 4,257,179 ASharp Kabushiki Kaisha · 1981
- Data register9US 4,129,215 AFirma Confon AG · 1978