US2880876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating a liquid from an overlying layer of foam
Assignee: ECREMEUSES MELOTTE SA
•
Filing: 1955-09-27
•
Granted: 1959-04-07
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Expires: 1975-09-27
Abstract
No abstract record available.
Inventors
- 👤 Dujardin Albert Jean Ar Julien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:38
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207978A
Cited
US1301532A
Cited
US2119013A
Cited
US2746605A
Cited
US2765919A
Cited
US2813074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |