Patent US3630919A successfully refreshed from Google Patents.
US3630919A
Expired / Lapsed
US
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Colloidal silica cleansing compositions and method
Assignee: Colgate Palmolive Co
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Filing: 1969-06-02
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Granted: 1971-12-28
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Expires: 1989-06-02
Abstract
Abstract A MIXTURE OF COLLOIDAL SILICA OF LESS THAN ABOUT 20 MICRONS, INERT FILLER AND WATER PROVIDES AN OUTSTANDING CLEANER PARTICULARLY FOR CARPETS AND THE LIKE, ESPECIALLY WHEN VIGOROUSLY APPLIED, AND AFTER A SHORT DRYING PERIOD IS READILY REMOVABLE.
Inventors
- 👤 Victor E Sheaffer
- 👤 Pasquale J Falivene
- 👤 Alan Dillarstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:48
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/0005; C11D3/0031; C11D3/1253; C11D3/126
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |