US3361859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt-spinning process
Assignee: EIDP Inc
•
Filing: 1966-05-04
•
Granted: 1968-01-02
•
Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Cenzato Lorenzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/084; D01D5/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2323383A
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US2296202A
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US2335922A
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US2578899A
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US2847704A
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US2953428A
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US3048467A
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US3030173A
Cited
FR1347985A
Cited
US3216187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |