Patent US3060098A successfully refreshed from Google Patents.
US3060098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentifrice
Assignee: Lever Brothers Co
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Filing: 1957-11-18
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Granted: 1962-10-23
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Sol D Gershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:55
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/26; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A DENTIFRICE CAPABLE OF IMPPRTING AN IMPROVED LUSTER INCREASE TO TEETH WITH A MINIMUM OF SURFACE ENAMEL MARKINGS INCLUDING PITS, SCRATCHES AND GROOVES, SAID DENTIFRICE BEING COMPOSED OF FROM ABOUT 20% TO ABOUT 99.5% BY WEIGHT OF POLISHING AGENT CONSISTING ESSENTIALLY OF FROM ABOUT 0.1% TO ABOUT 40% BY WEIGHT OF ANHYDROUS ALPHA-ALUMINA COMPOSED OF SMOOTHLY SURFACED PARTICLES HAVING ROUNDED EDGES OF AN AVERAGE PARTICLE SIZE WITHIN THE RANGE OF FROM ABOUT 0.05 TO ABOUT 5 MICRONS, A DENSITY OF ABOUT 0.3 TO 0.6 GRAM PER CUBIC CENTIMETER, AND A MOHS HARDNESS OF ABOUT 9, AND FROM ABOUT 99.9% TO ABOUT 60% BY WEIGHT OF A SUPPLEMENTAL POLISHING AGENT HAVING A MOHS HARDNESS BELOW ABOUT 6 AND SELECTED FROM THE GROUP CONSISTING OF DICALCIUM PHOSPHATE, TRICALCIUM PHOSPHATE, CALCIUM PYROPHOSPHATE AND CALCIUM CARBONATE.
Claim 2
Dependent Claim
132 words
A DENTIFRICE CAPABLE OF IMPPRTING AN IMPROVED LUSTER INCREASE TO TEETH WITH A MINIMUM OF SURFACE ENAMEL MARKINGS INCLUDING PITS, SCRATCHES AND GROOVES, SAID DENTIFRICE BEING COMPOSED OF FROM ABOUT 20% TO ABOUT 99.5% BY WEIGHT OF POLISHING AGENT CONSISTING ESSENTIALLY OF FROM ABOUT 0.1% TO ABOUT 40% BY WEIGHT OF ANHYDROUS ALPHA-ALUMINA COMPOSED OF SMOOTHLY SURFACED PARTICLES HAVING ROUNDED EDGES OF AN AVERAGE PARTICLE SIZE WITHIN THE RANGE OF FROM ABOUT 0.05 TO ABOUT 5 MICRONS, A DENSITY OF ABOUT 0.3 TO 0.6 GRAM PER CUBIC CENTIMETER, AND A MOHS HARDNESS OF ABOUT 9, AND FROM ABOUT 99.9% TO ABOUT 60% BY WEIGHT OF A SUPPLEMENTAL POLISHING AGENT HAVING A MOHS HARDNESS BELOW ABOUT 6 AND SELECTED FROM THE GROUP CONSISTING OF DICALCIUM PHOSPHATE, TRICALCIUM PHOSPHATE, CALCIUM PYROPHOSPHATE AND CALCIUM CARBONATE.
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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |