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US3036759A
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Centrifugal bowl for separating sludge-containing liquids
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1958-01-14
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Granted: 1962-05-29
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Expires: 1978-01-14
Abstract
No abstract record available.
Inventors
- 👤 Bergner Nore Einar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/10; B04B1/12; B04B11/00; B04B11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE76044C
Cited
US2314586A
Cited
GB190605859A
Cited
US2313540A
Cited
US2485209A
Cited
US2645415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |