US3560608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral compositions for caries and calculus prophylaxis
Assignee: Procter and Gamble Co
•
Filing: 1969-03-17
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Granted: 1971-02-02
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Expires: 1989-03-17
Abstract
Abstract ORAL COMPOSITIONS CONTAINING STANNOUS SALTS OF CERTAIN POLYPHOSPHONIC ACIDS AS A SOURCE OF STABLE AND DENTAL ENAMEL REACTIVE STANNOUS TIN AND AS ANTICALCULUS AGENTS.
Inventors
- 👤 William J Griebstein
- 👤 Robert J Grabenstetter
- 👤 James S Widder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:07
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/55; A61Q; A61Q11/00
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |