US3234715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lint collector
Assignee: Challenge Cook Bros Inc
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Filing: 1962-03-12
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Granted: 1966-02-15
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Donald G Cowlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:43
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
343 words
A LINT COLLECTOR FOR REMOVING LINT ENTRAINED IN AN AIR STREAM, COMPRISING: A GENERALLY CYLINDRICAL HOUSING; A GENERALLY CYLINDRICAL SCREEN SUBSTANTIALLY SEALED AT ITS OPPOSITE ENDS TO SAID HOUSING AND ROTATABLY MOUNTED WITHIN SAID HOUSING FOR TURNING ON AN AXIS SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID HOUSING, SAID SCREEN BETWEEN THE SEALED OPPOSITE ENDS THEREOF BEING RADIALLY SPACED FROM SAID HOUSING; A SEPARATOR ON SAID HOUSING EXTENDING GENERALLY RADIALLY INWARDLY THEREFROM INTO SLIDING RELATIONSHIP WITH THE OUTER SURFACE OF SAID SCREEN AND EXTENDING AXIALLY OF SAID HOUSING SUBSTANTIALLY THE FULL LENGTH OF SAID SCREEN, SAID SCREEN AND HOUSING DEFINING THEREBETWEEN AN ARCUATE CHAMBER EXTENDING ABOUT SAID SCREEN BETWEEN THE SEALED OPPOSITE ENDS THEREOF, AND WHICH TERMINATES CIRCUMFERENTIALLY AT ONE END THEREOF ON ONE SIDE OF SAID SEPARATOR AND TERMINATES CIRCUMFERENTIALLY AT THE OTHER END THEREOF ON THE OPPOSITE SIDE OF SAID SEPARATOR, SAID HOUSING HAVING AN AIR INLET PASSAGE OPENING TO SAID ONE END OF SAID ARCUATE CHAMBER, AND A CLEAN AIR OUTLET COMMUNICATING TO THE INTERIOR OF SAID SCREEN; MEANS DEFINING A LINT DISCHARGE PASSAGE AT THE OTHER END OF SAID CHAMBER, ONE END OF SAID DISCHARGE PASSAGE OPENING ADJACENT SAID SCREEN AND TOWARD THE OPPOSITE SIDE OF SAID SEPARATOR TO RECEIVE LINT DISCHARGED FROM SAID SCREEN, AND THE OTHER END THEREOF OPENING TO THE EXTERIOR OF SAID HOUSING FOR COMMUNICATION OF A LINT RECEIVER, SAID SEPARATOR CAUSING AIR ENTERING SAID ARCUATE CHAMBER THROUGH SAID INLET PASSAGE TO FLOW CIRCUMFERENTIALLY AROUND SAID SCREEN ONLY IN THE DIRECTION FROM SAID ONE END TOWARDS SAID OTHER END OF SAID ARCUATE CHAMBER; MEAN FOR ROTATING SAID SCREEN IN SAID DIRECTION; A HOLLOW STATIONARY CASING WITHIN AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID SCREEN; MEANS MOUNTING SAID CASING ON SAID HOUSING AND ADJACENT TO THE INNER SURFACE OF SAID SCREEN; AND MEANS FOR CONVEYING AIR UNDER PRESSURE TO THE INTERIOR OF SAID CASING, SAID CASING HAVING AN OPEN SIDE FACING SAID SCREEN AT SAID OPPOSITE SIDE OF SAID SEPARATOR AND DIRECTING AIR THROUGH SAID SCREEN FOR BLOWING LINT THEREFROM INTO SAID LINT DISCHARGE PASSAGE.
Claim 2
Dependent Claim
343 words
A LINT COLLECTOR FOR REMOVING LINT ENTRAINED IN AN AIR STREAM, COMPRISING: A GENERALLY CYLINDRICAL HOUSING; A GENERALLY CYLINDRICAL SCREEN SUBSTANTIALLY SEALED AT ITS OPPOSITE ENDS TO SAID HOUSING AND ROTATABLY MOUNTED WITHIN SAID HOUSING FOR TURNING ON AN AXIS SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID HOUSING, SAID SCREEN BETWEEN THE SEALED OPPOSITE ENDS THEREOF BEING RADIALLY SPACED FROM SAID HOUSING; A SEPARATOR ON SAID HOUSING EXTENDING GENERALLY RADIALLY INWARDLY THEREFROM INTO SLIDING RELATIONSHIP WITH THE OUTER SURFACE OF SAID SCREEN AND EXTENDING AXIALLY OF SAID HOUSING SUBSTANTIALLY THE FULL LENGTH OF SAID SCREEN, SAID SCREEN AND HOUSING DEFINING THEREBETWEEN AN ARCUATE CHAMBER EXTENDING ABOUT SAID SCREEN BETWEEN THE SEALED OPPOSITE ENDS THEREOF, AND WHICH TERMINATES CIRCUMFERENTIALLY AT ONE END THEREOF ON ONE SIDE OF SAID SEPARATOR AND TERMINATES CIRCUMFERENTIALLY AT THE OTHER END THEREOF ON THE OPPOSITE SIDE OF SAID SEPARATOR, SAID HOUSING HAVING AN AIR INLET PASSAGE OPENING TO SAID ONE END OF SAID ARCUATE CHAMBER, AND A CLEAN AIR OUTLET COMMUNICATING TO THE INTERIOR OF SAID SCREEN; MEANS DEFINING A LINT DISCHARGE PASSAGE AT THE OTHER END OF SAID CHAMBER, ONE END OF SAID DISCHARGE PASSAGE OPENING ADJACENT SAID SCREEN AND TOWARD THE OPPOSITE SIDE OF SAID SEPARATOR TO RECEIVE LINT DISCHARGED FROM SAID SCREEN, AND THE OTHER END THEREOF OPENING TO THE EXTERIOR OF SAID HOUSING FOR COMMUNICATION OF A LINT RECEIVER, SAID SEPARATOR CAUSING AIR ENTERING SAID ARCUATE CHAMBER THROUGH SAID INLET PASSAGE TO FLOW CIRCUMFERENTIALLY AROUND SAID SCREEN ONLY IN THE DIRECTION FROM SAID ONE END TOWARDS SAID OTHER END OF SAID ARCUATE CHAMBER; MEAN FOR ROTATING SAID SCREEN IN SAID DIRECTION; A HOLLOW STATIONARY CASING WITHIN AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID SCREEN; MEANS MOUNTING SAID CASING ON SAID HOUSING AND ADJACENT TO THE INNER SURFACE OF SAID SCREEN; AND MEANS FOR CONVEYING AIR UNDER PRESSURE TO THE INTERIOR OF SAID CASING, SAID CASING HAVING AN OPEN SIDE FACING SAID SCREEN AT SAID OPPOSITE SIDE OF SAID SEPARATOR AND DIRECTING AIR THROUGH SAID SCREEN FOR BLOWING LINT THEREFROM INTO SAID LINT DISCHARGE PASSAGE.
References Cited (Backward Citations)
DE37813C
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US360130A
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USRE24521E
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US1697647A
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US2009140A
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US2473501A
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FR1231871A
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |