Patent US3424842A successfully refreshed from Google Patents.
US3424842A
Expired / Lapsed
US
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Manufacture of tablets directly from dry powders
Assignee: Merck KGaA
•
Filing: 1965-05-04
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Granted: 1969-01-28
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Eberhard Nurnberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1613362A
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US1770573A
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US3096248A
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US3015611A
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US2951791A
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US3065143A
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US3101299A
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US3116204A
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US3266992A
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US3312594A
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US3344030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |