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Patent US5610348A successfully refreshed from Google Patents.
US5610348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of the discant strings for the classic and the flamenco guitar
Assignee: Individual
•
Filing: 1992-03-20
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Granted: 1997-03-11
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Expires: 2012-03-20
Abstract
Abstract There is provided a discant string construction for classic and flamenco guitars having a polyfilament core formed of a group of non-twisted with respect to each other synthetic filaments, a first covering layer of metal wire spirally wound in tight contact coils, and a second covering layer of plastic material covering the first layer.
Inventors
- 👤 Alexander Aladin
- 👤 Irina M. Aladina
- 👤 Bernd Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:55
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
81 words
A discant string for classic and flamenco guitars, comprising: a) a polyfilament core formed of a single group of non-twisted with respect to each other continuous synthetic nylon-type filaments; b) a first layer of metal wire spirally wound in tight contact around and covering said polyfilament core, said metal wire being formed from the group consisting of copper, zinc, brass and bronze; and c) a second layer of plastic wire spirally wound around and covering said first layer of metal wire.
Claim 2
Dependent Claim
81 words
A discant string for classic and flamenco guitars, comprising: a) a polyfilament core formed of a single group of non-twisted with respect to each other continuous synthetic nylon-type filaments; b) a first layer of metal wire spirally wound in tight contact around and covering said polyfilament core, said metal wire being formed from the group consisting of copper, zinc, brass and bronze; and c) a second layer of plastic wire spirally wound around and covering said first layer of metal wire.
Claim 3
Dependent Claim
24 words
The discant string as defined in claim 1, wherein said second layer of plastic wire has a thickness of from 0.05 to 0.07 mm.
Claim 4
Dependent Claim
24 words
The discant string as defined in claim 1, wherein said first layer of metal wire has a thickness of from 0.05 to 0.07 mm.
Claim 5
Dependent Claim
20 words
The discant string as defined in claim 1, wherein said first and second layers are wound in the same direction.
Claim 6
Dependent Claim
19 words
The discant string as defined in claim 1, wherein said first and second layers are wound in opposite directions.
Claim 7
Dependent Claim
21 words
The discant string as defined in claim 1, wherein the metal wire of said first layer is flat in cross section.
Claim 8
Dependent Claim
21 words
The discant string as defined in claim 1, wherein the metal wire of said first layer is rounded in cross section.
Claim 9
Dependent Claim
21 words
The discant string as defined in claim 1, wherein the plastic wire of said second layer is flat in cross section.
Claim 10
Dependent Claim
21 words
The discant string as defined in claim 1, wherein the plastic wire of said second layer is rounded in cross section.
References Cited (Backward Citations)
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US2762251A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-03-10 | 2000-09-09 | 2001-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-03-10 | 2004-09-09 | 2005-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-03-10 | 2008-09-09 | 2009-03-11 | $7700.00 | Window Closed / Lapsed |