US2268162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of halogenated derivatives of ethylene polymers
Assignee: Imperial Chemical Industries Ltd
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Filing: 1939-08-14
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Granted: 1941-12-30
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Expires: 1959-08-14
Abstract
No abstract record available.
Inventors
- 👤 Myles James Robertson
- 👤 Bridson-Jones Francis Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/045; C; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/286; C09; C09D; C09D123/00; C09D123/26; C09D123/28; C09D123/286
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) | 1944-12-29 | 1945-06-30 | 1945-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-29 | 1949-06-30 | 1949-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-29 | 1953-06-30 | 1953-12-30 | $7700.00 | Window Closed / Lapsed |