US2974559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite ropes, cords and the like
Assignee: Montedison SpA
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Filing: 1958-07-25
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Granted: 1961-03-14
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Coggi Ettore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/02; D07B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AS NEW ARTICLE OF MANUFACTURE, A COMPOSITE FIBROUS STRUCTURE CONSISTING ESSENTIALLY OF A CORE MADE OF JUTE FIBERS AND A YARN OF A SUBSTANTIALLY ISOTACTIC POLYPROPYLENE HAVING A CRYSTALLINTY OF AT LEAST 70%, PLATED ON THE CORE AND FORMING AN ADHERING CONTINUOUS SHEATH ON THE CORE.
Claim 2
Dependent Claim
46 words
AS NEW ARTICLE OF MANUFACTURE, A COMPOSITE FIBROUS STRUCTURE CONSISTING ESSENTIALLY OF A CORE MADE OF JUTE FIBERS AND A YARN OF A SUBSTANTIALLY ISOTACTIC POLYPROPYLENE HAVING A CRYSTALLINTY OF AT LEAST 70%, PLATED ON THE CORE AND FORMING AN ADHERING CONTINUOUS SHEATH ON THE CORE.
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) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |