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US2468531A
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Method of treating casein products
Assignee: Akzona Inc
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Filing: 1946-04-12
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Granted: 1949-04-26
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Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Johannes G Weeldenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C09; C09K; C09K23/00; D; D01; D01F; D01F4/00; D01F4/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1734516A
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US2055322A
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US2190672A
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US2348602A
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US2211961A
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GB508840A
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US2312998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |