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US2447361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dl-nu-cyclohexylacetylserine hexahydrobenzyl amide
Assignee: Merck and Co Inc
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Filing: 1945-12-20
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Granted: 1948-08-17
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Expires: 1965-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Peck
- 👤 Stanton A Harris
- 👤 Mosingo Ralph
- 👤 Donald E Wolf
- 👤 Folkers Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:14
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
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) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |