B41J 19/84
In the form of a roller rotated for line spacing
Official title: in the form of a roller rotated for line spacing
B41J19/84 (In the form of a roller rotated for line spacing) appears on 9 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 9
- Published applications
- 0
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 20 Nov 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Printing apparatus having a rotatable member rotatable in incremental steps smaller than the pitch of a detent gear and including means for accurately retaining the rotatable member at a predetermined position when the detent mechanism is inoperable20 Nov 1990US 4,971,466 ACanon Kabushiki Kaisha
- Printer with paper feed roller disengagement mechanism29 Dec 1987US 4,715,737 AAlps Electric Co., Ltd.
- Dot matrix printer4 Mar 1986US 4,573,814 AIng. C. Olivetti & C., S.p.A.
- Line spacing device for printing machines30 Jul 1985US 4,531,850 AIng. C. Olivetti & C., S.p.A.
- Line spacing mechanism for typewriters or like machines2 Aug 1983US 4,396,306 ATriumph-Adler A. G. fur Buro-und Informationstechnik
No published applications in this class yet.
Most cited
By later US patents
- Line feed carrier return mechanism for movable printing point typewriter6US 4,388,007 ATriumph-Adler A. G. fur Buro-und Informationstechnik · 1983
- Printer with paper feed roller disengagement mechanism5US 4,715,737 AAlps Electric Co., Ltd. · 1987
- Linespacing apparatus3US 4,365,904 ASCM Corporation · 1982
- Printing apparatus having a rotatable member rotatable in incremental steps smaller than the pitch of a detent gear and including means for accurately retaining the rotatable member at a predetermined position when the detent mechanism is inoperable2US 4,971,466 ACanon Kabushiki Kaisha · 1990
- Line-spacing system for printing office machines1US 4,120,593 AIng. C. Olivetti & C., S.p.A. · 1978