Patent US2436080A successfully refreshed from Google Patents.
US2436080A
Expired / Lapsed
US
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Resinous composition of urea-aldehyde and hydrolyzed interpolymer of a vinyl ester
Assignee: EIDP Inc
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Filing: 1943-05-17
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Granted: 1948-02-17
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Expires: 1963-05-17
Abstract
No abstract record available.
Inventors
- 👤 Smith Albert Faris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
C; C08; C08L; C08L29/00; C08L29/02; C08L29/04; C08L61/00; C08L61/20; C08L61/22; C08L61/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB361910A
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US2277083A
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US2332897A
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US2332899A
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US2268121A
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US2386347A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |