US2420381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized zein composition
Assignee: Emery Oleochemicals LLC
•
Filing: 1943-02-23
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Granted: 1947-05-13
•
Expires: 1963-02-23
Abstract
No abstract record available.
Inventors
- 👤 Latimer D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/04; C08K5/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316854A
Cited
GB190122662A
Cited
US2005414A
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US1939676A
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US1972092A
Cited
US2115716A
Cited
US2285758A
Cited
US2185110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |