Patent US3299774A successfully refreshed from Google Patents.
US3293684A
Expired / Lapsed
US
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Integral detergent-sponge structure
Assignee: Colgate Palmolive Co
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Filing: 1964-06-24
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Granted: 1966-12-27
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Tundermann Werner Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:44
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02; A47K7/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
MEANS FOR ATTACHING A LAYER OF SYNTHETIC SPONGE MATERIAL AND A LAYER OF DETERGENT COMPRISING A FIRST COATING ON SAID LAYER OF SPONGE MATERIAL, SAID FIRST COATING COMPRISING A WATER INSOLUBLE ADHESIVE; A FLEXIBLE, WATER IMPERMEABLE LAMINA FASTENED TO SAID LAYER OF SPONGE MATERIAL BY SAID FIRST COATING OF WATER INSOLUBLE ADHESIVE; AND A SECOND COATING ON SAID LAMINA, SAID SECOND COATING COMPRISING A WATER INSOLUBLE ADHESIVE; SAID LAYER OF DETERGENT BEING FASTENED TO SAID WATER IMPERMEABLE BARRIER BY SAID SECOND COATING; AND SAID LAYER OF DETERGENT COMPRISING A DETERGENT MATERIAL SELECTED FROM THE GROUP CONSISTING OF NORMALLY SOLID WATER SOLUBLE SOAPS OF HIGHER FATTY ACIDS HAVING AN AVERAGE OF 8 TO 20 CARBON ATOMS, NORMALLY SOLID WATER SOLUBLE SYNTHETIC ORGAINC DETERGENTS HAVING AN AVERAGE OF 8 TO 20 CARBON ATOMS, AND MIXTURES THEREOF.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |