Patent US3049959A successfully refreshed from Google Patents.
US3049959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Obtaining ensemble and celeste effects in electrical musical instruments
Assignee: BALDWIN PIANO Co
•
Filing: 1957-11-22
•
Granted: 1962-08-21
•
Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 Meyer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08; G10H1/10; Y; Y10; Y10S; Y10S84/00; Y10S84/04; Y10S84/25
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2159505A
Cited
US2505182A
Cited
US2500820A
Cited
US2583566A
Cited
US2458178A
Cited
US2557133A
Cited
US2585357A
Cited
US2681585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |