Patent US2752089A successfully refreshed from Google Patents.
US2752089A
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Apparatus for continuous centrifugal separation
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1952-10-21
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Granted: 1956-06-26
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Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Zachariassen Stig Holge Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:11
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/04; B04B1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A CENTRIFUGAL SEPARATOR COMPRISING A ROTATABLE CENTRIFUGAL BOWL HAVING THREE OUTLETS, ONE FOR EACH OF THREE SEPARATED COMPONENTS OF DIFFERENT SPECIFIC GRAVITY, AN ADJUSTABLE PARING DEVICE COACTING WITH THE OUTLET FOR THE HEAVIEST COMPONENT FOR DISCHARGING SAID LAST COMPONENT FROM THE BOWL, A STATIONARY DISCHARGE PIPE HERMETICALLY CONNECTED TO THE LIGHTEST COMPONENT OUTLET, AND A VALVE IN SAID PIPE FOR REGULATING THE DISCHARGE THROUGH SAID LAST OUTLET.
Claim 2
Dependent Claim
67 words
A CENTRIFUGAL SEPARATOR COMPRISING A ROTATABLE CENTRIFUGAL BOWL HAVING THREE OUTLETS, ONE FOR EACH OF THREE SEPARATED COMPONENTS OF DIFFERENT SPECIFIC GRAVITY, AN ADJUSTABLE PARING DEVICE COACTING WITH THE OUTLET FOR THE HEAVIEST COMPONENT FOR DISCHARGING SAID LAST COMPONENT FROM THE BOWL, A STATIONARY DISCHARGE PIPE HERMETICALLY CONNECTED TO THE LIGHTEST COMPONENT OUTLET, AND A VALVE IN SAID PIPE FOR REGULATING THE DISCHARGE THROUGH SAID LAST OUTLET.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |