US3536696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferric hydroxide dextran and dextrin heptonic acids
Assignee: PHARM Ltd
•
Filing: 1967-10-16
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Granted: 1970-10-27
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Ranulph Michael Alsop
- 👤 Alderley Edge
- 👤 Ian Bremner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:44
CPC Classifications
C; C08; C08B; C08B31/00; A; A61; A61K; A61K31/00; A61K31/28; A61K31/295; A61K33/00; A61K33/24; A61K33/26; C08B37/00
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |