US3863006B1
Expired / Lapsed
US
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US3863006B1 - - Google Patents
Assignee: —
•
Filing: 1973-01-29
•
Granted: 1983-06-21
•
Expires: 1993-01-29
Abstract
Abstract A compound and method for desensitizing hypersensitive teeth, and specifically hypersensitive dentin and cementum, the essential ingredient of said compound comprising a nitrate of potassium, lithium or sodium, and the method comprising the application of said compound in aqueous solution or nontoxic paste form to the sensitive area.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:59
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K6/00; A61K6/60; A61K6/69; A61K6/70; A61K6/71; A61K6/76; A61K8/00; A61K8/18; A61K8/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-06-20 | 1986-12-20 | 1987-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-20 | 1990-12-20 | 1991-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-20 | 1994-12-20 | 1995-06-21 | $7700.00 | Window Closed / Lapsed |