US3524756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating tablets with alternate tacky and non-tacky layers
Assignee: Colorcon Inc
•
Filing: 1967-05-29
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Granted: 1970-08-18
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles A Signorino
- 👤 Thomas E Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61J; A61J3/00; A61J3/005; A61K9/2886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2881085A
Cited
US2865810A
Cited
US2982234A
Cited
US3097144A
Cited
US3159544A
Cited
US3383236A
Cited
US3420931A
Cited
US3427182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |