US3428728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timed release sublingual medications
Assignee: Individual
•
Filing: 1965-10-21
•
Granted: 1969-02-18
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Hans Lowey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:17
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/006; A23; A23G; A23G3/00; A23G3/34; A23G3/36; A23G3/364; A23G3/368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2841528A
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US2878160A
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US2887436A
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US2887437A
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US2887439A
Cited
US2926121A
Cited
US3069317A
Cited
US3200039A
Cited
US3248290A
Cited
US3346449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |