Patent US4339375A successfully refreshed from Google Patents.
Patent US2477558A successfully refreshed from Google Patents.
US2477558A
Expired / Lapsed
US
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Preparation of high-grade crude lactose
Assignee: M & R Dietetic Lab Inc
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Filing: 1945-04-26
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Granted: 1949-08-02
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Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Emory F Almy
- 👤 Orlando F Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:54
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/14; A23C9/146; A23J; A23J1/00; A23J1/20; A23J1/205; C; C13; C13K; C13K5/00; A23V; A23V2002/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US758065A
Cited
US2104501A
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US2151883A
Cited
US2155318A
Cited
US2145109A
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GB542846A
Cited
US2319649A
Cited
US2365221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |