US2885433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O-carbamyl-d-serine
Assignee: Laboratoires Francais de Chimiotherapie SA
•
Filing: 1955-08-16
•
Granted: 1959-05-05
•
Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Hagemann Guy
- 👤 Teillon Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
C; C12; C12P; C12P13/00; C12P13/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2462981A
Cited
US2421611A
Cited
US2432049A
Cited
US2483141A
Cited
US2483892A
Cited
GB715362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |