US3291307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable tubular filter and baffle construction
Assignee: Rosaen Filter Co
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Filing: 1963-09-24
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Granted: 1966-12-13
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Nils O Rosaen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:20
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/30; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/21; B01D29/50; B01D29/52; B01D29/54; B01D29/88; B01D29/90; B01D29/902; B01D35/14; B01D35/143; B01D35/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
277 words
A FILTERING APPARATUS COMPRISING: (A) A SECTIONAL HOUSING CONTAINING A GENERALLY CYLINDRICAL CAVITY, (B) SAID HOUSING INCLUDING A SEPARABLE END MEMBER WHICH DEFINES AN END WALL OF SAID CAVITY, (C) SAID HOUSING CONTAINING ALSO AN INLET, COMMUNICATING WITH SAID CAVITY INTERMEDITE ITS ENDS, AND AN OUTLET, (D) TUBULAR FILTER MEANS MOUNTED COAXIALLY IN SAID CAVITY AND RADIALLY SPACED FROM THE CYLINDRICAL WALL THEREOF TO DEFINE ISOLATED CYLINDRICAL INNER AND ANNULAR OUTER CHAMBERS; AND (E) GENERALLY ANNULAR BAFFLE MEANS COAXIALLY MOUNTED IN SAID CAVITY OPPOSITE SAID INLET, THE OUTER DIAMETER OF SAID BAFFLE MEANS CORRESPONDING WITH THE DIAMETER OF SAID CAVITY, THE LONGITUDINAL DIMENSION OF SAID BAFFLE MEANS BEING LESS THAN THE CAVITY LENGTH, (F) SAID BAFFLE MEANS INCLUDING DIVERTER MEANS FOR DIVERTING TOWARD EACH END OF SAID OUTER CHAMBER FLUID ENTERING SAID CAVITY THROUGH SAID INLET, (G) SAID FILTER MEANS COMPRISE A PAIR OF TUBULAR FILTER ELEMENTS COAXIALLY ARRANGED ON OPPOSITE SIDES OF SAID BAFFLE MEANS, (H) MEANS CONNECTING SAID BAFFLE MEANS AND SAID FILTER ELEMENTS TO DEFINE A RIGID FILTER CARTRIDGE, SAID FILTER CARTRIDGE BEING AXIALLY REMOVABLE FROM SAID CAVITY UPON SEPARATION OF SAID SEPARABLE END MEMBER, AND (I) SAID BAFFLE MEANS COMPRISING A TUBULAR SLEEVE PORTION COAXIALLY ARRANGED RELATIVE TO AND SPACED FROM THE CYLINDRICAL WALL OF SAID CAVITY, AND A GENERALLY ANNULAR DIVERTER FLANGE EXTENDING RADIALLY OUTWARDLY FROM SAID SLEEVE PORTION INTERMEDIATE THE ENDS THEREOF, SAID FLANGE HAVING AN OUTER DIAMETER THAT CORRESPONDS WITH THE CAVITY DIAMETER, AT LEAST A PORTION OF SAID DIVERTER FLANGE BEING DIRECTLY OPPOSITE THE CENTER OF SAID INLET, SAID FLANGE AND SLEEVE PORTIONS HAVING LONGITUDINAL DIMENSIONS THAT ARE LESS AND GREATER, RESPECTIVELY, THAN THE CORRESPONDING DIMENSION OF SAID INLET.
Claim 2
Dependent Claim
277 words
A FILTERING APPARATUS COMPRISING: (A) A SECTIONAL HOUSING CONTAINING A GENERALLY CYLINDRICAL CAVITY, (B) SAID HOUSING INCLUDING A SEPARABLE END MEMBER WHICH DEFINES AN END WALL OF SAID CAVITY, (C) SAID HOUSING CONTAINING ALSO AN INLET, COMMUNICATING WITH SAID CAVITY INTERMEDITE ITS ENDS, AND AN OUTLET, (D) TUBULAR FILTER MEANS MOUNTED COAXIALLY IN SAID CAVITY AND RADIALLY SPACED FROM THE CYLINDRICAL WALL THEREOF TO DEFINE ISOLATED CYLINDRICAL INNER AND ANNULAR OUTER CHAMBERS; AND (E) GENERALLY ANNULAR BAFFLE MEANS COAXIALLY MOUNTED IN SAID CAVITY OPPOSITE SAID INLET, THE OUTER DIAMETER OF SAID BAFFLE MEANS CORRESPONDING WITH THE DIAMETER OF SAID CAVITY, THE LONGITUDINAL DIMENSION OF SAID BAFFLE MEANS BEING LESS THAN THE CAVITY LENGTH, (F) SAID BAFFLE MEANS INCLUDING DIVERTER MEANS FOR DIVERTING TOWARD EACH END OF SAID OUTER CHAMBER FLUID ENTERING SAID CAVITY THROUGH SAID INLET, (G) SAID FILTER MEANS COMPRISE A PAIR OF TUBULAR FILTER ELEMENTS COAXIALLY ARRANGED ON OPPOSITE SIDES OF SAID BAFFLE MEANS, (H) MEANS CONNECTING SAID BAFFLE MEANS AND SAID FILTER ELEMENTS TO DEFINE A RIGID FILTER CARTRIDGE, SAID FILTER CARTRIDGE BEING AXIALLY REMOVABLE FROM SAID CAVITY UPON SEPARATION OF SAID SEPARABLE END MEMBER, AND (I) SAID BAFFLE MEANS COMPRISING A TUBULAR SLEEVE PORTION COAXIALLY ARRANGED RELATIVE TO AND SPACED FROM THE CYLINDRICAL WALL OF SAID CAVITY, AND A GENERALLY ANNULAR DIVERTER FLANGE EXTENDING RADIALLY OUTWARDLY FROM SAID SLEEVE PORTION INTERMEDIATE THE ENDS THEREOF, SAID FLANGE HAVING AN OUTER DIAMETER THAT CORRESPONDS WITH THE CAVITY DIAMETER, AT LEAST A PORTION OF SAID DIVERTER FLANGE BEING DIRECTLY OPPOSITE THE CENTER OF SAID INLET, SAID FLANGE AND SLEEVE PORTIONS HAVING LONGITUDINAL DIMENSIONS THAT ARE LESS AND GREATER, RESPECTIVELY, THAN THE CORRESPONDING DIMENSION OF SAID INLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |