Patent US3549779A successfully refreshed from Google Patents.
US3549779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural short sustain percussion gates and common gate arrangement for electronic musical instruments
Assignee: Baldwin Piano and Organ Co
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Filing: 1969-01-03
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Granted: 1970-12-22
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Expires: 1989-01-03
Abstract
No abstract record available.
Inventors
- 👤 David A Bunger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:33
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |