Patent US3383394A successfully refreshed from Google Patents.
US3383394A
Expired / Lapsed
US
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Novel 17-acylating process and products thereof
Assignee: Merck Sharp & Dohme LLC
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Filing: 1965-08-30
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Granted: 1968-05-14
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Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Weber Lois
- 👤 Elliot L Shapiro
- 👤 Lawrence E Finckenor
- 👤 Hershel L Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:29
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/565; C; C07; C07J; C07J5/00; C07J7/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |