B41J 33/48
Comprising two pawls and ratchets, one for each spool
Official title: comprising two pawls and ratchets, one for each spool
B41J33/48 (Comprising two pawls and ratchets, one for each spool) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 4
- Latest grant
- 5 Mar 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reversible ink ribbon feed mechanism5 Mar 1985US 4,502,803 ABrother Kogyo Kabushiki Kaisha
- Inked ribbon advance and reverse mechanism26 Apr 1983US 4,381,155 AC. Itoh Electronics, Inc.
- Reversible ribbon drive mechanism26 Apr 1977US 4,019,618 AAddmaster Corporation
- Typewriter ribbon conveying mechanism24 Aug 1976US 3,976,185 AHermes Precisa International S.A.
No published applications in this class yet.
Most cited
By later US patents