US3354488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treating apparatus
Assignee: Electrolux AB
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Filing: 1966-03-31
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Granted: 1967-11-28
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Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Bilde Tord Erik Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:14
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
THE COMBINATION WITH A DOMESTIC APPLIANCE OF THE CLASS DESCRIBED, OF STRUCTURE INCLUDING ROTATABLE MEANS ADAPTED TO BE POSITIONED OVER A SURFACE FOR ROTATION ABOUT A VERTICAL AXIS AND BE MOVED OVER THE SURFACE, A BRUSH HAVING A BACK AND TUFTS PROJECTING THEREFROM, MEANS FOR CONNECTING SAID BRUSH TO SAID ROTATABLE MEANS WHEREBY THE LATTER IMPARTS ROTATING MOVEMENT TO SAID BRUSH, SAID CONNECTING MEANS INCLUDING A MAGNET ELEMENT AND AN ARMATURE ELEMENT, ONE OF SAID ELEMENTS BEING FIXE TO SAID ROTATABLE MEANS AND RADIALLY IMMOVABLE THEREON AND THE OTHER OF SAID ELEMENTS BEING FIXED TO SAID BUSH BACK AND RADIALLY IMMOVABLE THEREON, SAID MAGNET ELEMENT AND SAID ARMATURE ELEMENT FUNCTIONING TO CONNECT SAID BRUSH TO SAID ROTATABLE MEANS UNDER THE INFLUENCE OF THE MAGNETIC FIELD IN SAID MAGNET ELEMENT, WHEREBY SAID ROTATABLE MEANS IMPARTS ROTATING MOVEMENT TO SAID BUSH, SAID MAGNET ELEMENT AND ARMATURE ELEMENT HAVING SURFACES IN CONTACT WITH ONE ANOTHER WHEN SAID BRUSH IS CONNECTED TO SAID ROTATABLE MEANS, THE LAST-MENTIONED CONTACT SURFACE OF SAID MAGNET ELEMENT BEING CURVED, AND THE SURFACE OF SAID MAGNET ELEMENT AND SAID ARMATURE ELEMENT IN CONTACT WITH ONE ANOTHER BEING SHAPED AND FORMED TO ENABLE SAID BRUSH TO MOVE ANGULARLY WITH RESPECT TO SAID ROTATABLE MEANS.
Claim 2
Dependent Claim
204 words
THE COMBINATION WITH A DOMESTIC APPLIANCE OF THE CLASS DESCRIBED, OF STRUCTURE INCLUDING ROTATABLE MEANS ADAPTED TO BE POSITIONED OVER A SURFACE FOR ROTATION ABOUT A VERTICAL AXIS AND BE MOVED OVER THE SURFACE, A BRUSH HAVING A BACK AND TUFTS PROJECTING THEREFROM, MEANS FOR CONNECTING SAID BRUSH TO SAID ROTATABLE MEANS WHEREBY THE LATTER IMPARTS ROTATING MOVEMENT TO SAID BRUSH, SAID CONNECTING MEANS INCLUDING A MAGNET ELEMENT AND AN ARMATURE ELEMENT, ONE OF SAID ELEMENTS BEING FIXE TO SAID ROTATABLE MEANS AND RADIALLY IMMOVABLE THEREON AND THE OTHER OF SAID ELEMENTS BEING FIXED TO SAID BUSH BACK AND RADIALLY IMMOVABLE THEREON, SAID MAGNET ELEMENT AND SAID ARMATURE ELEMENT FUNCTIONING TO CONNECT SAID BRUSH TO SAID ROTATABLE MEANS UNDER THE INFLUENCE OF THE MAGNETIC FIELD IN SAID MAGNET ELEMENT, WHEREBY SAID ROTATABLE MEANS IMPARTS ROTATING MOVEMENT TO SAID BUSH, SAID MAGNET ELEMENT AND ARMATURE ELEMENT HAVING SURFACES IN CONTACT WITH ONE ANOTHER WHEN SAID BRUSH IS CONNECTED TO SAID ROTATABLE MEANS, THE LAST-MENTIONED CONTACT SURFACE OF SAID MAGNET ELEMENT BEING CURVED, AND THE SURFACE OF SAID MAGNET ELEMENT AND SAID ARMATURE ELEMENT IN CONTACT WITH ONE ANOTHER BEING SHAPED AND FORMED TO ENABLE SAID BRUSH TO MOVE ANGULARLY WITH RESPECT TO SAID ROTATABLE MEANS.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |