US2614288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for producing thermoplastic fibers
Assignee: CHAVANNES SYNTHETIC FIBRES Inc
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Filing: 1947-03-28
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Granted: 1952-10-21
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Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Marc A Chavannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; B; B29; B29D; B29D7/00; D01D; D01D5/00; D01D5/20; D01D5/22; D01D5/42; D01D5/426; D01F; D01F1/00; D01F1/02; D01F1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |