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US2480296A
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US
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Ethylene polymer compositions
Assignee: EIDP Inc
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Filing: 1947-02-18
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Granted: 1949-08-30
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Expires: 1967-02-18
Abstract
No abstract record available.
Inventors
- 👤 Burk Robert Emmett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5398; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/26; C08L23/28; C08L23/286; C08L85/00; C08L85/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2121611A
Cited
US2405977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |