US3140079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic drive
Assignee: Max Baermann GmbH
•
Filing: 1960-02-18
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Granted: 1964-07-07
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:04
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/085; A47J43/046; A47J43/0465; B; B01; B01F; B01F33/00; B01F33/45; B01F33/453; B01F33/4531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A HOUSEHOLD UTENSIL ASSEMBLY COMPRISING A PLURALITY OF SPACED MAGNETS ARRANGED IN A RING OF PREDETERMINED DIAMETER AND MOUNTED FOR ROTATION ABOUT A PREDETERMINED AXIS, EACH OF SAID MAGNETS HAVING AN AXIS OF MAGNETIZATION WHICH IS TRANSVERSE TO THE PLANE OF SAID RING AND ADJACENT MAGNETS HAVING OPPOSITE MAGNETIC POLARITY, A DISC OF ELECTRICALLY CONDUCTIVE MATERIAL MOUNTED FOR ROTATION ABOUT AN AXIS WHICH IS OFFSET FROM THE ROTATIONAL AXIS OF SAID RING OF MAGNETS, SAID DISC BEING OF SUBSTANTIALLY SMALLER DIAMETER THAN THE DIAMETER OF SAID RING OF MAGNETS WITH A PORTION OF SAID DISC BEING POSITIONED IN INDUCTIVE RELATIONSHIP TO A PORTION OF SAID RING OF MAGNETS WHEREBY SAID DISC IS ROTATED AT A HIGHER ANGULAR VELOCITY
Claim 2
Dependent Claim
118 words
A HOUSEHOLD UTENSIL ASSEMBLY COMPRISING A PLURALITY OF SPACED MAGNETS ARRANGED IN A RING OF PREDETERMINED DIAMETER AND MOUNTED FOR ROTATION ABOUT A PREDETERMINED AXIS, EACH OF SAID MAGNETS HAVING AN AXIS OF MAGNETIZATION WHICH IS TRANSVERSE TO THE PLANE OF SAID RING AND ADJACENT MAGNETS HAVING OPPOSITE MAGNETIC POLARITY, A DISC OF ELECTRICALLY CONDUCTIVE MATERIAL MOUNTED FOR ROTATION ABOUT AN AXIS WHICH IS OFFSET FROM THE ROTATIONAL AXIS OF SAID RING OF MAGNETS, SAID DISC BEING OF SUBSTANTIALLY SMALLER DIAMETER THAN THE DIAMETER OF SAID RING OF MAGNETS WITH A PORTION OF SAID DISC BEING POSITIONED IN INDUCTIVE RELATIONSHIP TO A PORTION OF SAID RING OF MAGNETS WHEREBY SAID DISC IS ROTATED AT A HIGHER ANGULAR VELOCITY
References Cited (Backward Citations)
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |