Patent US2964786A successfully refreshed from Google Patents.
US2964786A
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Method of and apparatus for producing fibers from thermoplastic material
Assignee: Compagnie de Saint Gobain SA
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Filing: 1957-07-26
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Granted: 1960-12-20
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Levecque Marcel
- 👤 Piot Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:57
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/041; C03B37/045; C12; C12P; C12P7/00; C12P7/24; C12P7/26; C12P7/28
Claims Analysis
Total Claims: 0
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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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |