Solid smooth-surface article washing device
Abstract
Abstract A SOLID SMOOTH-SURFACE ARTICLE WASHING DEVICE COMPRISING A FLAT TOP WASH FLUID RESERVIOR WITH TWO INVERTED FURSTO-CONICAL CASINGS MOUNTED ONE INSIDE THE OTHER ON THE TOP SURFACE OF THE RESERVOIR. A WASH FLUID IMPELLER IS ARRANGED WITHIN THE RESERVOIR WITH THE BODY THEREOF SUBSTANTIALLY BELOW THE LIQUID LEVEL OF THE WASH FLUID THEREIN AND IN VERTICAL ALIGNMENT WITH THE RELATIVELY NARROW END OF THE INNER CASING. THE ARTICLE TO BE WASHED IS SUSPENDED ABOVE THE RELATIVELY WIDE END OF THE INNER CASING. WHEN ACTIVATED, THE IMPELLER MOVES THE WASH FLUID UPWARDLY WITHIN THE INNER CASING IN A SPIRALING ROTARY PATTERN TO FLOW OUTWARDLY OVER THE SURFACE OF THE ARTICLE BEING WASHED. ON LEAVING THE PERIPHERAL EDGE OF THE ARTICLE BEING WASHED, THE FLUID CONTINUES TO MOVE OUTWARDLY UNTIL IT CONTACTS THE INNER SIDE WALL OF THE OUTER CASING WHEREUPON IT DRAINS BACK INTO THE FLUID RESERVOIR THROUGH A CHAMBER FORMED BETWEEN THE CASINGS.
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Bibliographic Details
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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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |