US3360909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filtering apparatus for gaseous fluids
Assignee: Precision Mecanique Labinal SA
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Filing: 1965-02-01
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Granted: 1968-01-02
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Barnerias Jean Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:47
CPC Classifications
B; B04; B04C; B04C3/00; B04C3/04; B04C5/00; B04C5/08; B04C5/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A FILTERING APPARATUS FOR A FLUID CONTAINING DUST PARTICLES IN SUSPENSION THEREIN, WHICH COMPRISES, IN COMBINATION: AT LEAST ONE FILTERING CELL INCLUDING A BODY OF REVOLUTION ABOUT AN AXIS AND MEANS FOR IMPARTING A GYRATING MOTION TO SAID FLUID ABOUT SAID AXIS, SAID BODY BEING PROVIDED WITH AT LEAST ONE AXIAL ORIFICE FOR THE OUTFLOW OF SAID FLUID AND ONE PERIPHERAL OUTLET ORIFICE FOR THE OUTFLOW OF DUST PARTICLES SEPARATED FROM SAID FLUID. A DUST BOX SURROUNDING SAID FILTERING CELL FOR RECEIVING THE DUST EVACUATED THEREFROM THROUGH SAID PERIPHERAL OUTLET ORIFICE, SAID FILTERING CELL BODY BEING MADE OF AT LEAST TWO DISTINCT PORTIONS, EACH MADE OF A SINGLE PIECE, FITTING IN EACH OTHER ALONG COOPERATING RESPECTIVE CONTINUOUS SURFACES THEREOF SURROUNDING SAID AXIS, THIS FITTING BEING OBTAINED BY RELATIVE MOVEMENT OF SAID PORTIONS TOWARDS EACH OTHER IN A DIRECTION PARALLEL TO SAID AXIS, COOPERATING MEANS CARRIED BY SAID PORTIONS FOR HOLDING THEM TOGETHER IN SUCH FITTED RELATIONSHIP,
Claim 2
Dependent Claim
156 words
A FILTERING APPARATUS FOR A FLUID CONTAINING DUST PARTICLES IN SUSPENSION THEREIN, WHICH COMPRISES, IN COMBINATION: AT LEAST ONE FILTERING CELL INCLUDING A BODY OF REVOLUTION ABOUT AN AXIS AND MEANS FOR IMPARTING A GYRATING MOTION TO SAID FLUID ABOUT SAID AXIS, SAID BODY BEING PROVIDED WITH AT LEAST ONE AXIAL ORIFICE FOR THE OUTFLOW OF SAID FLUID AND ONE PERIPHERAL OUTLET ORIFICE FOR THE OUTFLOW OF DUST PARTICLES SEPARATED FROM SAID FLUID. A DUST BOX SURROUNDING SAID FILTERING CELL FOR RECEIVING THE DUST EVACUATED THEREFROM THROUGH SAID PERIPHERAL OUTLET ORIFICE, SAID FILTERING CELL BODY BEING MADE OF AT LEAST TWO DISTINCT PORTIONS, EACH MADE OF A SINGLE PIECE, FITTING IN EACH OTHER ALONG COOPERATING RESPECTIVE CONTINUOUS SURFACES THEREOF SURROUNDING SAID AXIS, THIS FITTING BEING OBTAINED BY RELATIVE MOVEMENT OF SAID PORTIONS TOWARDS EACH OTHER IN A DIRECTION PARALLEL TO SAID AXIS, COOPERATING MEANS CARRIED BY SAID PORTIONS FOR HOLDING THEM TOGETHER IN SUCH FITTED RELATIONSHIP,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |