Patent US3153251A successfully refreshed from Google Patents.
US3153251A
Expired / Lapsed
US
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Surface treating machine
Assignee: Electrolux AB
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Filing: 1961-08-15
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Granted: 1964-10-20
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Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ohlson Bengt Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:42
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/161; A47L11/4063; A47L11/4069; A47L11/408; A47L11/4088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A SURFACE TREATING MACHINE OF THE CLASS DESCRIBED HAVING A PLURALITY OF BRUSHES PROVIDED WITH BRISTLES, MEANS FOR MOUNTING SAID BRUSHES FOR ROTATION ABOUT SPACED VERTICAL AXES, SAID BRUSHES BEING ADJACENT TO ONE ANOTHER AND MOVABLE OVER A SURFACE TO BE TREATED, A DISK, MEANS FOR MOUNTING SAID DISK FOR ROTATION ABOUT A VERTICAL AXIS AT A REGION BETWEEN THE OUTER PERIPHERAL EDGES OF SAID BRUSHES AND ADJACENT THERETO, DRIVING MEANS INCLUDING AN ELECTRIC MOTOR FOR DRIVING SAID BRUSHES AND SAID DISK, MEANS FOR CONDUCTING TREATING AGENT IN LIQUID FORM TO A ZONE WHICH IS ABOVE SAID DISK AND FROM WHICH ZONE LIQUID FLOWS BY GRAVITY ONTO THE TOP SURFACE OF SAID DISK, SAID DRIVING MEANS BEING OPERABLE TO DRIVE SAID DISK AT A HIGH ENOUGH SPEED TO ATOMIZE LIQUID FALLING THEREON FROM SAID ZONE AND DISCHARGE THE ATOMIZED LIQUID BY CENTRIFUGAL FORCE FROM THE PERIPHERY OF SAID DISK, AND SAID DISK BEING POSITIONED VERTICALLY WITH RESPECT TO SAID BRUSHES TO DIRECT THE ATOMIZED LIQUID ONTO THE BRISTLES BETWEEN THEIR TOP AND BOTTOM ENDS DURING ROTATION OF SAID BRUSHES.
Claim 2
Dependent Claim
180 words
IN A SURFACE TREATING MACHINE OF THE CLASS DESCRIBED HAVING A PLURALITY OF BRUSHES PROVIDED WITH BRISTLES, MEANS FOR MOUNTING SAID BRUSHES FOR ROTATION ABOUT SPACED VERTICAL AXES, SAID BRUSHES BEING ADJACENT TO ONE ANOTHER AND MOVABLE OVER A SURFACE TO BE TREATED, A DISK, MEANS FOR MOUNTING SAID DISK FOR ROTATION ABOUT A VERTICAL AXIS AT A REGION BETWEEN THE OUTER PERIPHERAL EDGES OF SAID BRUSHES AND ADJACENT THERETO, DRIVING MEANS INCLUDING AN ELECTRIC MOTOR FOR DRIVING SAID BRUSHES AND SAID DISK, MEANS FOR CONDUCTING TREATING AGENT IN LIQUID FORM TO A ZONE WHICH IS ABOVE SAID DISK AND FROM WHICH ZONE LIQUID FLOWS BY GRAVITY ONTO THE TOP SURFACE OF SAID DISK, SAID DRIVING MEANS BEING OPERABLE TO DRIVE SAID DISK AT A HIGH ENOUGH SPEED TO ATOMIZE LIQUID FALLING THEREON FROM SAID ZONE AND DISCHARGE THE ATOMIZED LIQUID BY CENTRIFUGAL FORCE FROM THE PERIPHERY OF SAID DISK, AND SAID DISK BEING POSITIONED VERTICALLY WITH RESPECT TO SAID BRUSHES TO DIRECT THE ATOMIZED LIQUID ONTO THE BRISTLES BETWEEN THEIR TOP AND BOTTOM ENDS DURING ROTATION OF SAID BRUSHES.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |