B41J 19/32
Differential or variable-spacing arrangements
B41J19/32 (Differential or variable-spacing arrangements) appears on 11 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 11
- Published applications
- 0
- Assignees
- 9
- Inventors
- 17
- Latest grant
- 28 Oct 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Printer in which the amount of carriage travel can be changed for different printing types28 Oct 1997US 5,681,121 ACanon Kabushiki Kaisha
- Document processing apparatus that magnifies only black portions of characters24 Jan 1995US 5,383,730 ACanon Kabushiki Kaisha
- Printing apparatus for printing same size ruled line without regard to print pitch selection7 Apr 1992US 5,102,243 ABrother Kogyo Kabushiki Kaisha
- Electronic printer with interleaved storage of print wheel position, hammer intensity, and carriage position data in read only memory18 Aug 1987US 4,687,356 ASharp Kabushiki Kaisha
- Intercharacter space processing apparatus for printers4 Mar 1986US 4,573,812 AAlps Electric Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Enhanced underscoring methods and means for automatic typewriter and the like employing hammer-type impact printing mechanism21US 4,084,680 AXerox Corporation · 1978
- Apparatus for dot-matrix printing with proportional character spacing12US 4,371,274 ASiemens Aktiengesellschaft · 1983
- Proportional spacing impact printing apparatus8US 4,257,711 ARicoh Company, Ltd. · 1981
- Intercharacter space processing apparatus for printers6US 4,573,812 AAlps Electric Co., Ltd. · 1986
- Electronic printer with interleaved storage of print wheel position, hammer intensity, and carriage position data in read only memory6US 4,687,356 ASharp Kabushiki Kaisha · 1987