B44F 9/06
Designs imitating natural patterns: of horn, ivory, or meerschaum surfaces
Official title: of horn, ivory, or meerschaum surfaces
B44F9/06 (Designs imitating natural patterns: of horn, ivory, or meerschaum surfaces) appears on 7 US grants and 1 published applications in this corpus.
Search patents in B44F- Granted patents
- 7
- Published applications
- 1
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 1 Jul 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 | 1 | 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 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Key structure1 Jul 2008US 7,394,004 B2Yamaha Corporation
- Member with synthetic surface replicating a surface of a specimen of a natural material23 Apr 1996US 5,509,344 ARensselaer Polytechnic Institute
- Key covers formed of ivory substitute and pianos having same30 Nov 1993US 5,265,515 ARenesselaer Polytechnic Institute
- Piano key covers formed of ivory substitute and pianos having same2 Feb 1993US 5,183,955 ARenselaer Polytechnic Institute
- Method for forming composite simulated ivory materials28 Jul 1992US 5,133,920 AThe Dow Chemical Company
Most cited
By later US patents
- Thermoplastic key face for pianos or the like9US 4,346,639 A1982
- Decorative rod making8US 3,981,951 ARochester Button Company · 1976
- Key covers formed of ivory substitute and pianos having same6US 5,265,515 ARenesselaer Polytechnic Institute · 1993
- Member with synthetic surface replicating a surface of a specimen of a natural material3US 5,509,344 ARensselaer Polytechnic Institute · 1996
- Key structure3US 7,394,004 B2Yamaha Corporation · 2008