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US3474038A
Expired / Lapsed
US
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Detergent compositions containing n-(2-hydroxyalkyl)-omega-methyltaurine
Assignee: Lever Brothers Co
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Filing: 1965-10-07
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Granted: 1969-10-21
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph Raymond Sepulveda
- 👤 Frank Vincent Cieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:40
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D1/02; C11D1/12; C11D1/38; C11D1/52; C11D1/523; C11D3/00; C11D3/16; C11D3/34; C11D3/349
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3254028A
Cited
FR1332754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |