US2624912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the production of fibers from thermoplastics
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1947-05-26
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Granted: 1953-01-13
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Expires: 1967-05-26
Abstract
No abstract record available.
Inventors
- 👤 Heymes Pierre Rene
- 👤 Peyches Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:59
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/045; C03B37/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289779A
Cited
DE571807C
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US2497369A
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US2338473A
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IT377806B
Cited
US2431205A
Cited
US2450363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |