US3254879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitating apparatus
Assignee: Carrier Manufacturing Co
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Filing: 1964-10-27
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Granted: 1966-06-07
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Carrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:44
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AGITATING APPARATUS FOR INDUCING VIGOROUS CIRCULATION OF A FLOWABLE MATERIAL, COMPRISING, IN COMBINATION, A VESSEL WHICH IS SUBSTANTIALLY ROUND IN HORIZONTAL SECTION, A SUPPORT ON WHICH THE VESSEL IS MOUNTED FOR LIMITED VERTICAL MOVEMENT AND FOR LIMITED ROTATION ON ITS VERTICAL AXIS, AGITATING MEANS FOR SPIRAL VANE-LIKE CONFIGURATION FIXED SUBSTANTIALLY CONCENTRICALLY IN THE VESSEL, AND MECHANISM FOR IMPARTING TO THE VESSEL A HELICAL VIBRATION ABOUT ITS VERTICAL AXIS, THE INCLINATION OF SUCH HELICAL VIBRATION BEING IN THE SAME SENSE BUT GREATER IN DEGREE THAN THAT OF THE SPIRAL CONFIGURATION OF THE AGITATING MEANS SO THAT THE VIBRATION CAUSES THE MATERIAL TO FLOW SPIRALLY UPWARD ALONG THE AGITATING MEANS, THE VESSEL HAVING A PASSAGEWAY, EXTENDING FROM THE TOP TO THE BOTTOM OF THE VESSEL, THROUGH WHICH MATERIAL WHICH HAS FLOWED SPIRALLY UPWARD ALONG THE AGITATING MEANS MAY RECIRCULATE DOWNWARD UNDER THE INFLUENCE OF GRAVITY, AND THE AGITATING MEANS EXTENDING FROM A LEVEL ADJACENT THE BOTTOM OF THE VESSEL AND TERMINATING IN AN UPPER PORTION SHAPED TO DIRECT THE MATERIAL INTO THE VESSEL FOR DOWN WARD RECIRCULATION.
Claim 2
Dependent Claim
175 words
AGITATING APPARATUS FOR INDUCING VIGOROUS CIRCULATION OF A FLOWABLE MATERIAL, COMPRISING, IN COMBINATION, A VESSEL WHICH IS SUBSTANTIALLY ROUND IN HORIZONTAL SECTION, A SUPPORT ON WHICH THE VESSEL IS MOUNTED FOR LIMITED VERTICAL MOVEMENT AND FOR LIMITED ROTATION ON ITS VERTICAL AXIS, AGITATING MEANS FOR SPIRAL VANE-LIKE CONFIGURATION FIXED SUBSTANTIALLY CONCENTRICALLY IN THE VESSEL, AND MECHANISM FOR IMPARTING TO THE VESSEL A HELICAL VIBRATION ABOUT ITS VERTICAL AXIS, THE INCLINATION OF SUCH HELICAL VIBRATION BEING IN THE SAME SENSE BUT GREATER IN DEGREE THAN THAT OF THE SPIRAL CONFIGURATION OF THE AGITATING MEANS SO THAT THE VIBRATION CAUSES THE MATERIAL TO FLOW SPIRALLY UPWARD ALONG THE AGITATING MEANS, THE VESSEL HAVING A PASSAGEWAY, EXTENDING FROM THE TOP TO THE BOTTOM OF THE VESSEL, THROUGH WHICH MATERIAL WHICH HAS FLOWED SPIRALLY UPWARD ALONG THE AGITATING MEANS MAY RECIRCULATE DOWNWARD UNDER THE INFLUENCE OF GRAVITY, AND THE AGITATING MEANS EXTENDING FROM A LEVEL ADJACENT THE BOTTOM OF THE VESSEL AND TERMINATING IN AN UPPER PORTION SHAPED TO DIRECT THE MATERIAL INTO THE VESSEL FOR DOWN WARD RECIRCULATION.
References Cited (Backward Citations)
US2663554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |