US4854213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Music string
Assignee: THOMASTIK-INFELD A OF AUSTRIA GmbH LLC
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Filing: 1988-12-29
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Granted: 1989-08-08
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Expires: 2008-12-29
Abstract
Abstract A music string consisting essentially of a core composed of aramide fibers and a wound sheath on the core.
Inventors
- 👤 Peter Infeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:04
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
27 words
A musical string consisting of a core composed of aramide fibers and a wound sheath on a core, wherein said sheath is composed of a metal wire.
Claim 2
Dependent Claim
27 words
A musical string consisting of a core composed of aramide fibers and a wound sheath on a core, wherein said sheath is composed of a metal wire.
Claim 3
Dependent Claim
36 words
The music string defined in claim 1 wherein said core has the following properties: ______________________________________
Tensile Strength (MPa) 2,760
Maximum Tension Force (cN/tex)
190
Modulus (MPa) 120,000
Modulus (cN/tex) 8,300
Elongation to Break (%) 1.9.
______________________________________
Claim 4
Dependent Claim
15 words
The music string defined in claim 1 wherein said metal wire is a silver wire.
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) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |