US3736259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning compositions and method
Assignee: Colgate Palmolive Co
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Filing: 1971-07-09
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Granted: 1973-05-29
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Expires: 1991-07-09
Abstract
Abstract A CLEANING COMPOSITION FOR SHAMPOOING CARPETS INCLUDING WATER, A DETERGENT AND AN ALIPHATIC C14-C20 FATTY ALCOHOL, FINELY DIVIDED SILICA, AND A WATER-SOLUBLE ALKALI METAL PHOSPHATE OR BORAX OR A MIXTURE THEREOF FOR RETRADING THE FORMATION OF SEDIMENT.
Inventors
- 👤 C Buck
- 👤 V Sheaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0094; C11D1/00; C11D1/02; C11D1/04; C11D1/10; C11D1/12; C11D1/14; C11D1/146; C11D17/00; C11D17/0043; C11D3/0031; C11D3/02; C11D3/12; C11D3/124; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2013
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |