US3485761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of detergent compositions containing finely dispersed optical brighteners
Assignee: Procter and Gamble Co
•
Filing: 1967-02-15
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Granted: 1969-12-23
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert D Haxby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:38
CPC Classifications
D; D06; D06M; D06M23/00; C; C11; C11D; C11D10/00; C11D10/04; C11D11/00; C11D11/02; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/40; C11D3/42; D06M11/00; D06M11/68; D06M11/72; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2986528A
Cited
US3357988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |