US2377237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zein dispersions and processes of making same
Assignee: Corn Products Refining Co
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Filing: 1940-08-03
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Granted: 1945-05-29
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Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 James Albert Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
C; C09; C09D; C09D189/00; C09D191/00; C09D7/00; C09D7/40; C09D7/45; C09D7/60; C09D7/63; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053
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) | 1948-05-28 | 1948-11-27 | 1949-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-28 | 1952-11-27 | 1953-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-28 | 1956-11-27 | 1957-05-29 | $7700.00 | Window Closed / Lapsed |