Patent US3257282A successfully refreshed from Google Patents.
US3257282A
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Prophylactic dental paste compositions comprising zirconium silicate
Assignee: Indiana University Foundation Inc
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Filing: 1963-10-08
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Granted: 1966-06-21
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Muhler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:21
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PROPHYLACTIC PASTE COMPOSITION COMPRISING 0.502,4 PARTS BY WEIGHT OF ZITCONIUM SILICATE AS A CLEANING AND POLISHING AGENT AND 0.05-1 PART BY WEIGHT OF A FLUORIDECONTAINING ANTICARIOGENIC ADJUVANT.
Claim 2
Dependent Claim
28 words
A PROPHYLACTIC PASTE COMPOSITION COMPRISING 0.502,4 PARTS BY WEIGHT OF ZITCONIUM SILICATE AS A CLEANING AND POLISHING AGENT AND 0.05-1 PART BY WEIGHT OF A FLUORIDECONTAINING ANTICARIOGENIC ADJUVANT.
References Cited (Backward Citations)
CH180531A
Cited
US2427799A
Cited
US2941926A
Cited
US3124512A
Cited
US3151027A
Cited
US3105013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |