G11B 3/56
Sharpening
Official title: Sharpening (grinding B24B3/00, B24B19/00)
G11B3/56 (Sharpening) appears on 14 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 14
- Published applications
- 0
- Assignees
- 4
- Inventors
- 29
- Latest grant
- 18 Jun 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System for positioning a body18 Jun 1985US 4,523,850 ARCA Corporation
- Reproducing stylus and method of making same4 Jun 1985US 4,521,877 ANamiki Precision Jewel Co., Ltd.
- Cutting stylus for mechanically cutting masters for keel-lapping7 Feb 1984US 4,429,678 ARCA Corporation
- Method for mechanically preparing stylus lapping discs25 Jan 1983US 4,369,604 ARCA Corporation
- Method of preparing an abrasive coated substrate19 Oct 1982US 4,355,052 ARCA Corporation
No published applications in this class yet.
Most cited
By later US patents
- Uniform light exposure of positive photoresist for replicating spiral groove in plastic substrate25US 4,308,337 ARCA Corporation · 1981
- Method for preparing stylus lapping discs14US 4,297,312 ARCA Corporation · 1981
- Asymmetrical radiation exposure of spin coated photoresist to obtain uniform thickness coating used to replicate spiral grooves in plastic substrate12US 4,306,013 ARCA Corporation · 1981
- Method and apparatus for positioning a tapered body8US 4,341,472 ARCA Corporation · 1982
- Method for mechanically preparing stylus lapping discs5US 4,369,604 ARCA Corporation · 1983