Patent US3385437A successfully refreshed from Google Patents.
US3385437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eccentric head hydrocyclone
Assignee: Bauer Brothers Co
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Filing: 1965-04-02
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Granted: 1968-05-28
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Maurice D Woodruff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:32
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/02; B04C5/04; B01; B01D; B01D21/00; B01D21/26; B01D21/267; B04C5/12; B04C5/13; D; D21; D21D; D21D5/00; D21D5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A HYDROCYCLONE PROVIDING A SEPARATING CHAMBER CIRCULAR IN CROSS SECTION AND OPEN AT ITS OPPOSITE ENDS TO DEFINE OVERFLOW AND UNDERFLOW OUTLETS, SAID CHAMBER HAVING NEAR ONE END THEREOF A FEED INLET TANGENTIALLY DISPOSED WITH RESPECT TO THE SEPARATING CHAMBER; CHARACTERIZED IN THAT A PORTION OF SAID CHAMBER CONTAINING SAID FEED INLET IS ECCENTRICALLY DISPOSED RELATIVE TO THE BALANCE OF THE CHAMBER, SAID PORTION PRESENTING A CONTINUOUSLY CIRCULAR INTERIOR WALL SURFACE PARALLEL TO THE LONGITUDINAL AXIS OF SAID CHAMBER, THE REMAINDER OF SAID CHAMBER CONTAINING THE FEED INLET BEING GENERALLY CONCENTRICALLY DISPOSED RELATIVE TO THE BALANCE OF THE CHAMBER, THE FEED INLET BEING FORMED IN AND CONFORMING TO THE CURVATURE OF SAID SURFACE, SAID SURFACE AT ITS JUNCTURE WITH THE BALANCE OF SAID CHAMBER PROVIDING A LEDGE SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID CHAMBER.
Claim 2
Dependent Claim
137 words
A HYDROCYCLONE PROVIDING A SEPARATING CHAMBER CIRCULAR IN CROSS SECTION AND OPEN AT ITS OPPOSITE ENDS TO DEFINE OVERFLOW AND UNDERFLOW OUTLETS, SAID CHAMBER HAVING NEAR ONE END THEREOF A FEED INLET TANGENTIALLY DISPOSED WITH RESPECT TO THE SEPARATING CHAMBER; CHARACTERIZED IN THAT A PORTION OF SAID CHAMBER CONTAINING SAID FEED INLET IS ECCENTRICALLY DISPOSED RELATIVE TO THE BALANCE OF THE CHAMBER, SAID PORTION PRESENTING A CONTINUOUSLY CIRCULAR INTERIOR WALL SURFACE PARALLEL TO THE LONGITUDINAL AXIS OF SAID CHAMBER, THE REMAINDER OF SAID CHAMBER CONTAINING THE FEED INLET BEING GENERALLY CONCENTRICALLY DISPOSED RELATIVE TO THE BALANCE OF THE CHAMBER, THE FEED INLET BEING FORMED IN AND CONFORMING TO THE CURVATURE OF SAID SURFACE, SAID SURFACE AT ITS JUNCTURE WITH THE BALANCE OF SAID CHAMBER PROVIDING A LEDGE SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID CHAMBER.
References Cited (Backward Citations)
US2735547A
Cited
US940076A
Cited
US997171A
Cited
US2731147A
Cited
DE1146338B
Cited
US2776053A
Cited
US2840240A
Cited
US2929501A
Cited
US3098036A
Cited
US3313311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |