G11B 3/5881
For styli or needles only
Official title: {for styli or needles only}
G11B3/5881 (For styli or needles only) appears on 5 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 17 Apr 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stylus lowering, lifting and cleaning apparatus17 Apr 1984US 4,443,871 ARCA Corporation
- Stylus cleaning apparatus for video disc player25 Aug 1981US 4,285,524 ARCA Corporation
- Pickup needle cleaning device for record disc playback apparatus4 Sep 1979US 4,166,623 AMatsushita Electric Industries Co., Ltd.
- Stylus position control system5 Dec 1978US 4,128,247 ARCA Corporation
- Stylus cleaning system for disc record player6 Sep 1977US 4,046,384 ARCA Corporation
No published applications in this class yet.
Most cited
By later US patents