G10H 2210/411
Railsback scale, i.e. stretched scale for piano tuning with bass keys having
Official title: Railsback scale, i.e. stretched scale for piano tuning with bass keys having lower pitches and treble keys having higher pitches than foreseen by the equally tempered scale
G10H2210/411 (Railsback scale, i.e. stretched scale for piano tuning with bass keys having) appears on 7 US grants and 0 published applications in this corpus.
Search patents in G10H- Granted patents
- 7
- Published applications
- 0
- Assignees
- 1
- Inventors
- 3
- Latest grant
- 2 Jun 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tone pitch changing device for selecting and storing groups of pitches based on their temperament2 Jun 1992US 5,117,727 AKawai Musical Inst. Mfg. Co., Ltd.
- Musical instrument12 Mar 1985US 4,503,745 A
- Musical instrument28 Dec 1982US 4,365,533 A
- Musical instrument with means for scanning keys20 Jul 1976US 3,969,968 A
- Musical instrument with means for scanning keys20 Jul 1976US 3,969,969 A
No published applications in this class yet.
Most cited
By later US patents
- Musical instrument33US 4,365,533 A1982
- Musical instrument11US 4,503,745 A1985
- Tone pitch changing device for selecting and storing groups of pitches based on their temperament9US 5,117,727 AKawai Musical Inst. Mfg. Co., Ltd. · 1992
- Musical instrument with means for scanning keys4US 3,969,969 A1976
- Musical instrument with means for scanning keys3US 3,969,968 A1976