US4064779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fret
Assignee: Individual
•
Filing: 1976-06-22
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Granted: 1977-12-27
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Expires: 1996-06-22
Abstract
Abstract A substantially T-shaped fret for a stringed instrument is disclosed which has an elongated stem topped by a triangularly shaped cap.
Inventors
- 👤 Phillip J. Petillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:25
CPC Classifications
G; G10; G10D; G10D1/00; G10D1/04; G10D1/05; G10D3/00; G10D3/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
141 words
A fret adapted for insertion in the neck of an instrument having one or more strings disposed a predetermined height above the surface of said neck comprising: an elongated stem adapted to engage said neck for mounting purposes, said stem having a central axis passing longitudinally through its long axis, and a cap for engaging a string when said string is deflected toward said neck by a player's finger, said cap having a base centrally attached to one end of said stem and two sides converging above said base (so as to intersect) and intersecting at said central axis and at least one side lying in a spacial segment defined on one border by said base and on the other border by a straight line diverging towards said central axis from a point of intersection with the end of said base.
Claim 2
Dependent Claim
141 words
A fret adapted for insertion in the neck of an instrument having one or more strings disposed a predetermined height above the surface of said neck comprising: an elongated stem adapted to engage said neck for mounting purposes, said stem having a central axis passing longitudinally through its long axis, and a cap for engaging a string when said string is deflected toward said neck by a player's finger, said cap having a base centrally attached to one end of said stem and two sides converging above said base (so as to intersect) and intersecting at said central axis and at least one side lying in a spacial segment defined on one border by said base and on the other border by a straight line diverging towards said central axis from a point of intersection with the end of said base.
Claim 3
Dependent Claim
19 words
A fret in accordance with claim 1, wherein both of said sides are concave in respect to said base.
Claim 4
Dependent Claim
13 words
A fret in accordance with claim 1, wherein said sides are straight lines.
Claim 5
Dependent Claim
28 words
A fret in accordance with claim 1, wherein one of said sides diverges away from said base at an initial angle in the range of 25° to 60°.
Claim 6
Dependent Claim
21 words
A fret in accordance with claim 4, wherein said side diverges away from said base at an angle of approximately 45°.
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) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |