B23D 73/12
Peculiar procedures for sharpening or otherwise treating the working surfaces
Official title: Peculiar procedures for sharpening or otherwise treating the working surfaces (special treatment by sand-blast B24C1/02; sharpening files by etching C23F1/06)
B23D73/12 (Peculiar procedures for sharpening or otherwise treating the working surfaces) appears on 3 US grants and 4 published applications in this corpus.
Search patents in B23D- Granted patents
- 3
- Published applications
- 4
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 11 Mar 2008
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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Metal sanding devices21 May 2009US 2009/0129873 A1
- Metal sanding devices2 Oct 2008US 2008/0242204 A1
- Transition Metal Nitride Coated File28 Jun 2007US 2007/0147963 A1Cooper Brands, Inc.
- Rasp blade with cutting teeth laterally displaced from a planar body21 Apr 2005US 2005/0085154 A1Pincott International Pty. Ltd.
Most cited
By later US patents