US2953384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic selection of sound tracks in a drum reproducer
Assignee: JOSEPH J MUSCOLINO
•
Filing: 1956-04-02
•
Granted: 1960-09-20
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Wilbur E Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/54; G11B5/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1210138A
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US2235301A
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US2572609A
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US2714010A
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US2645494A
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US2650830A
Cited
US2709597A
Cited
US2730369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |