Patent US2735258A successfully refreshed from Google Patents.
US2735258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture and construction of
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
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Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:23
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/444; A; A63; A63B; A63B51/00; A63B51/02; G; G10; G10D; G10D3/00; G10D3/10; D10; D10B; D10B2331/00; D10B2331/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN THE MANUFACTURE OF STRINGS, THE STEPS OF FORMING A CORE OF LINEAR MULTI-FILAMENT STRANDS OF THERMOPLASTIC MATERIAL, COATING THE CORE WITH A SOLUTION OF THE SAME THERMOPLASTIC MATERIAL, DRYING THE COATED CORE, WINDING A MONOFILAMENT OF THE SAME THERMOPLASTIC MATERIAL ON THE DRIED COATED CORE TO FORM A SPIRAL LAYER THEREON, COATING THE SPIRAL LAYER WITH A SOLUTION OF THE SAME THERMOPLASTIC MATERIAL, AND DRYING THE SPIRAL LAYER COATING, WHEREBY A COMPOSITE STRING RESULTS.
Claim 2
Dependent Claim
75 words
IN THE MANUFACTURE OF STRINGS, THE STEPS OF FORMING A CORE OF LINEAR MULTI-FILAMENT STRANDS OF THERMOPLASTIC MATERIAL, COATING THE CORE WITH A SOLUTION OF THE SAME THERMOPLASTIC MATERIAL, DRYING THE COATED CORE, WINDING A MONOFILAMENT OF THE SAME THERMOPLASTIC MATERIAL ON THE DRIED COATED CORE TO FORM A SPIRAL LAYER THEREON, COATING THE SPIRAL LAYER WITH A SOLUTION OF THE SAME THERMOPLASTIC MATERIAL, AND DRYING THE SPIRAL LAYER COATING, WHEREBY A COMPOSITE STRING RESULTS.
References Cited (Backward Citations)
US1970376A
Cited
US2091999A
Cited
US2157117A
Cited
US2311704A
Cited
US2335644A
Cited
US2401291A
Cited
US2521055A
Cited
US2649833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |