US3712952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fret board for stringed instruments
Assignee: Individual
•
Filing: 1971-05-04
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Granted: 1973-01-23
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Expires: 1991-05-04
Abstract
Abstract A FRET BOARD FOR A STRINGED MUSICAL INSTRUMENT IN WHICH FRETS ARE FORMED BY SLIDING CIRCULAR CROSS SECTION METAL OR PLASTIC MEMBERS INTO CIRCULAR CROSS SECTION GROOVES IN THE SURFACE OF THE FRET BOARD. WHEN WORN THE FRETS ARE EASILY REPLACEABLE WITHOUT DAMAGE TO THE FRET BOARD. ALSO PLASTIS FRET MEMBERS MAY HAVE CONDUCTING METAL PORTIONS MOLDED THEREIN TO PROVIDE CONTACTS FOR ORGAN TYPE CIRCUITS.
Inventors
- 👤 D Terlinde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/06; G10D1/00; G10D1/04; G10D1/05; G10D1/08; G10D3/22; G10H; G10H1/00; G10H1/32; G10H1/34; G10H1/342
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |