US2183556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated solid ethylene polymer
Assignee: Imperial Chemical Industries Ltd
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Filing: 1937-09-10
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Granted: 1939-12-19
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Expires: 1957-09-10
Abstract
No abstract record available.
Inventors
- 👤 Fawcett Eric William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; C; C08; C08F; C08F8/00; C08F8/18; C08F8/20; D; D01; D01F; D01F6/00; D01F6/02; D01F6/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-12-18 | 1943-06-19 | 1943-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-18 | 1947-06-19 | 1947-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-18 | 1951-06-19 | 1951-12-19 | $7700.00 | Window Closed / Lapsed |