US3542917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental calculus inhibitor
Assignee: Gillette Co LLC
•
Filing: 1968-06-20
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Granted: 1970-11-24
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Expires: 1988-06-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Schwartz
- 👤 John D Galligan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:46
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/85; A61Q; A61Q11/00; C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08L; C08L67/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3120469A
Cited
US3108085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |