US3487150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dextran sulphate treatment of peptic ulcers
Assignee: Cornell Research Foundation Inc
•
Filing: 1965-10-23
•
Granted: 1969-12-30
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 William A Barnes
- 👤 Saverio F Redo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:46
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126320A
Cited
GB715821A
Cited
US2774710A
Cited
GB840623A
Cited
US3011949A
Cited
US3175942A
Cited
US3155576A
Cited
US3141041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |