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US3415752A
Expired / Lapsed
US
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Detergent compositions
Assignee: Lever Brothers Co
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Filing: 1966-04-15
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Granted: 1968-12-10
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Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Browning Hugh Reeves
- 👤 Carter Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:52
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/33; C11D3/39; C11D3/40; C11D3/42; C11D9/00; C11D9/04; C11D9/22; C11D9/30; C11D9/44; C11D9/446; C11D9/448
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3357988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |