B23F 21/288
The cutting edges on consecutive teeth being helically arranged
Official title: {the cutting edges on consecutive teeth being helically arranged}
B23F21/288 (The cutting edges on consecutive teeth being helically arranged) appears on 2 US grants and 0 published applications in this corpus.
Search patents in B23F- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 18 Jul 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
By publication year. Applications have been published since 2001.
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