US2649828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fretted finger board for stringed musical instruments and method of making the same
Assignee: Individual
•
Filing: 1950-07-03
•
Granted: 1953-08-25
•
Expires: 1970-07-03
Abstract
No abstract record available.
Inventors
- 👤 Maccaferri Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:30
CPC Classifications
G; G10; G10D; G10D1/00; G10D1/04; G10D1/05; G10D3/00; G10D3/06; G10D3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692207A
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US1881229A
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US2086493A
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US2285963A
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US2337550A
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US2360641A
Cited
US2489408A
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US2492973A
Cited
US2492845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |