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US2979774A
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Method for obtaining shaped thermoplastic articles having improved mechanical properties
Assignee: Montedison SpA
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Filing: 1957-10-22
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Granted: 1961-04-18
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Expires: 1977-10-22
Abstract
No abstract record available.
Inventors
- 👤 Rusignolo Vincenzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/223; D01; D01F; D01F6/00; D01F6/02; D01F6/04; D01F6/06; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S8/00; Y10S8/09; Y10S8/10
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |