Patent US3933077A successfully refreshed from Google Patents.
US3933077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converter for guitars
Assignee: Individual
•
Filing: 1975-02-20
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Granted: 1976-01-20
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Expires: 1995-02-20
Abstract
Abstract A device for converting a conventional Spanish guitar into an instrument which can be played like a Hawaiian guitar. The device comprises a spacer member in the form of a rod of substantial thickness that is slipped underneath the strings of the guitar to raise them above the frets in the upper surface of the guitar neck, and rigidly attached to said spacer member is a pressure member likewise in the form of a rod provided with a cover of a resiliently yieldable material that is to engage the strings of the guitar from above to hold them against the spacer member; and detachable means are provided to secure the pressure member to the neck of the guitar. The same device may also be used as a capotasto on Hawaiian type guitars.
Inventors
- 👤 James Dunlop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:16
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/053
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
A converter for Spanish guitars comprising a spacer member for insertion underneath the strings of the guitar to raise and strings higher above the top surface of the neck of the guitar, said spacer member carrying rotatably mounted thereon a sleeve of elliptical cross-sectional contour, a pressure member supported from said spacer member for application over the strings of the guitar to urge them against said sleeve, and means for detachably securing said pressure member to the neck of the guitar.
Claim 2
Dependent Claim
81 words
A converter for Spanish guitars comprising a spacer member for insertion underneath the strings of the guitar to raise and strings higher above the top surface of the neck of the guitar, said spacer member carrying rotatably mounted thereon a sleeve of elliptical cross-sectional contour, a pressure member supported from said spacer member for application over the strings of the guitar to urge them against said sleeve, and means for detachably securing said pressure member to the neck of the guitar.
Claim 3
Dependent Claim
22 words
A converter according to claim 1 wherein said rotatable sleeve of elliptical cross sectional contour has flattened areas in its outer surface.
Claim 4
Dependent Claim
108 words
A converter for Spanish type guitars comprising a U-shaped carrier member, a spacer member in the form of a sleeve rotatably mounted upon one of the legs of said carrier member for insertion underneath the strings of the guitar to raise said strings higher above the stop surface of the neck of the guitar, the outer surface of said sleeve being of elliptical cross-section, a pressure member of resiliently yieldable material mounted upon the other leg of said carrier member for application over the strings of said guitar, and means engaging the opposite ends of said last mentioned leg for securing it to the neck of the guitar.
Claim 5
Dependent Claim
108 words
A converter for Spanish type guitars comprising a U-shaped carrier member, a spacer member in the form of a sleeve rotatably mounted upon one of the legs of said carrier member for insertion underneath the strings of the guitar to raise said strings higher above the stop surface of the neck of the guitar, the outer surface of said sleeve being of elliptical cross-section, a pressure member of resiliently yieldable material mounted upon the other leg of said carrier member for application over the strings of said guitar, and means engaging the opposite ends of said last mentioned leg for securing it to the neck of the guitar.
Claim 6
Dependent Claim
23 words
A converter according to claim 3 wherein said sleeve of elliptical cross section sectional contour has flattened areas formed in its outer surface.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |