US3294946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy current heating device
Assignee: Max Baermann GmbH
•
Filing: 1964-07-16
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Granted: 1966-12-27
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Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:19
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/12; F; F24; F24V; F24V99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN EDDY CURRENT HEATING DEVICE FOR HEATING A SUBSTANCE IN A THIN METAL CONTAINER, THE DEVICE COMPRISING IN COMBINATION: AT LEAST A PAIR OF SPACED, MULTIPOLAR MAGNETIC DISKS ROTATABLE ABOUT AN AXIS AND EACH DISK HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, ALTERNATE NORTH AND SOUTH MAGNETIC POLSE, EACH NORTH MAGNETIC POLE OF ONE DISK FACING A SOUTH POLE OF THE OTHER DISK TO CREATE A PLURALITY OF MAGNETIC FIELDS EACH HAVING AN AXIS SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF THE DISKS, ADJACENT MAGNETIC FIELDS BEING OF OPPOSITE DIRECTION, ELECTRICALLY NON-CONDUCTIVE MEANS FOR SUPPORTING THE THIN METAL CONTAINER BETWEN THE DISKS AND MEANS FOR ROTATING SAID DISKS WHILE SAID CONTAINER IS STATIONARY.
Claim 2
Dependent Claim
113 words
AN EDDY CURRENT HEATING DEVICE FOR HEATING A SUBSTANCE IN A THIN METAL CONTAINER, THE DEVICE COMPRISING IN COMBINATION: AT LEAST A PAIR OF SPACED, MULTIPOLAR MAGNETIC DISKS ROTATABLE ABOUT AN AXIS AND EACH DISK HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, ALTERNATE NORTH AND SOUTH MAGNETIC POLSE, EACH NORTH MAGNETIC POLE OF ONE DISK FACING A SOUTH POLE OF THE OTHER DISK TO CREATE A PLURALITY OF MAGNETIC FIELDS EACH HAVING AN AXIS SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF THE DISKS, ADJACENT MAGNETIC FIELDS BEING OF OPPOSITE DIRECTION, ELECTRICALLY NON-CONDUCTIVE MEANS FOR SUPPORTING THE THIN METAL CONTAINER BETWEN THE DISKS AND MEANS FOR ROTATING SAID DISKS WHILE SAID CONTAINER IS STATIONARY.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |