Patent US3338836A successfully refreshed from Google Patents.
US3338836A
Expired / Lapsed
US
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Cleansing tablets
Assignee: FMC Corp
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Filing: 1964-06-29
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Granted: 1967-08-29
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ewald H Krusius
- 👤 Russell R Keast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:15
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D1/00; C11D3/00; C11D3/395; C11D3/3955; C11D3/3958
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A CLEANSING TABLET ESSENTIALLY CONTAINING 2 TO 95% OF PARTICULATE SODIUM CHLORIDE HAVING A PARTICLE SIZE OF 10 TO 325 MESH, AND A WATER CONDITIONING AGENT FROM THE GROUP CONSISTING OF 5 TO 98% OF A POLYPHOSPHATE, 0.5 TO 20% OF A WATER-SOLUBLE DETERGENT FROM THE GROUP CONSISTING OF ANIONIC SYNTHETIC DETERGENTS AND NONIONIC SYNTHETIC DETERGENTS AND 0.5 TO 98% OF A CHLOROCYANURIC COMPOUND, SAID TABLET BEING CHARACTERIZED BY BEING PHYSICALLY STRONG AND CAPABLE OF FAST DISINTEGRATION AND DISSOLUTION IN WATER.
Claim 2
Dependent Claim
81 words
A CLEANSING TABLET ESSENTIALLY CONTAINING 2 TO 95% OF PARTICULATE SODIUM CHLORIDE HAVING A PARTICLE SIZE OF 10 TO 325 MESH, AND A WATER CONDITIONING AGENT FROM THE GROUP CONSISTING OF 5 TO 98% OF A POLYPHOSPHATE, 0.5 TO 20% OF A WATER-SOLUBLE DETERGENT FROM THE GROUP CONSISTING OF ANIONIC SYNTHETIC DETERGENTS AND NONIONIC SYNTHETIC DETERGENTS AND 0.5 TO 98% OF A CHLOROCYANURIC COMPOUND, SAID TABLET BEING CHARACTERIZED BY BEING PHYSICALLY STRONG AND CAPABLE OF FAST DISINTEGRATION AND DISSOLUTION IN WATER.
Claim 3
Dependent Claim
81 words
A CLEANSING TABLET ESSENTIALLY CONTAINING 2 TO 95% OF DENDRITIC SODIUM CHLORIDE HAVING A PARTICLE SIZE OF 30 TO 200 MESH, AND A WATER CONDITIONING AGENT FROM THE GROUP CONSISTING OF 5 TO 98% OF A POLYPHOSPHATE, 0.5 TO 20% OF A WATER-SOLUBLE DETERGENT FROM THE GROUP CONSISTING OF ANIONIC SYNTHETIC DETERGENTS AND NONIONIC SYNTHETIC DETERGENTS AND 0.5 TO 98% OF A CHLOROCYANURIC COMPOUND, SAID TABLET BEING CHARACTERIZED BY BEING PHYSICALLY STRONG AND CAPABLE OF FAST DISINTEGRATION AND DISSOLUTION IN WATER.
Claim 4
Dependent Claim
81 words
A CLEANSING TABLET ESSENTIALLY CONTAINING 2 TO 95% OF DENDRITIC SODIUM CHLORIDE HAVING A PARTICLE SIZE OF 30 TO 200 MESH, AND A WATER CONDITIONING AGENT FROM THE GROUP CONSISTING OF 5 TO 98% OF A POLYPHOSPHATE, 0.5 TO 20% OF A WATER-SOLUBLE DETERGENT FROM THE GROUP CONSISTING OF ANIONIC SYNTHETIC DETERGENTS AND NONIONIC SYNTHETIC DETERGENTS AND 0.5 TO 98% OF A CHLOROCYANURIC COMPOUND, SAID TABLET BEING CHARACTERIZED BY BEING PHYSICALLY STRONG AND CAPABLE OF FAST DISINTEGRATION AND DISSOLUTION IN WATER.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |