Patent US3485810A successfully refreshed from Google Patents.
US3485810A
Expired / Lapsed
US
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Novel amino acid protecting groups
Assignee: Eli Lilly and Co
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Filing: 1967-07-24
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Granted: 1969-12-23
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Manohar A Tilak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/04; C07K1/042; C08; C08F; C08F8/00; C08F8/30; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |