US2939359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for tuning oscillators of an electronic musical instrument
Assignee: MUSICCO LLC
•
Filing: 1958-03-12
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Granted: 1960-06-07
•
Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Markowitz Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:35
CPC Classifications
G; G10; G10H; G10H5/00; G10H5/02; G10H1/00; G10H1/02; G10H1/06; G10H1/08; Y; Y10; Y10S; Y10S84/00; Y10S84/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |