US3228844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing incidence of dental caries with vitamin b6
Assignee: Merck and Co Inc
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Filing: 1961-07-24
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Granted: 1966-01-11
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Strean Lyon Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:18
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/673
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |