US3439089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicated hard candy
Assignee: Merck and Co Inc
•
Filing: 1968-03-27
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Granted: 1969-04-15
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Expires: 1988-03-27
Abstract
No abstract record available.
Inventors
- 👤 Max A Cherkas
- 👤 Ellwood T Martin Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:17
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/34; A23G3/36; A23G3/364; A23G3/368; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |