Patent US3395102A successfully refreshed from Google Patents.
US3395102A
Expired / Lapsed
US
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Process and antifoaming aqueous systems
Assignee: Midland Silicones Ltd
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Filing: 1965-06-10
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Granted: 1968-07-30
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Leyshon Keith
- 👤 Cooper Kenneth Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:35
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2894913A
Cited
US3113930A
Cited
GB914460A
Cited
US3265623A
Cited
US3234144A
Cited
US3249535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |