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US2467436A
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Plasticized hydroxylated polymeric film and method of making same
Assignee: EIDP Inc
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Filing: 1943-12-18
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Granted: 1949-04-19
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Expires: 1963-12-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel D Lanning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:15
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737187A
Cited
GB472264A
Cited
US2116193A
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US2224293A
Cited
US2234016A
Cited
US2280829A
Cited
US2301959A
Cited
US2374767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |