US3383283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicinal pellets coated with overlapping porous fatty acid leaflet layers
Assignee: Merck and Co Inc
•
Filing: 1964-01-24
•
Granted: 1968-05-14
•
Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Normand E Brindamour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5073; A61K9/5078
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2076112A
Cited
US2262087A
Cited
US2738303A
Cited
US2809918A
Cited
US2853420A
Cited
US2897121A
Cited
US2991226A
Cited
US2928770A
Cited
US3081233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |