US3085142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy current heating device
Assignee: Max Baermann GmbH
•
Filing: 1959-09-23
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Granted: 1963-04-09
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Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:56
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/12; H05B6/1209; F; F24; F24V; F24V99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN AN EDDY CURRENT COOKING DEVICE, A LOW ELECTRICAL CONDUCTIVITY COOKING TOP AND A MAGNET ROTOR ROTATABLY MOUNTED BELOW SAID TOP AND COMPRISING A COMPOSITE DISK OF LOW PERMEABILITY HIGH ELECTRICAL CONDUCTIVITY MATERIAL, A PLURALITY OF MAGNETS EMBEDDED IN SAID MATERIAL AND PRESENTING OUTWARDLY FACING POLES OF LOW PERMEABILITY MATERIAL, SAID OUTWARDLY FACING POLES OF SUCCESSIVE MAGNETS ON THE DISK BEING OF ALTERNATE MAGNETIC POLARITY.
Claim 2
Dependent Claim
65 words
IN AN EDDY CURRENT COOKING DEVICE, A LOW ELECTRICAL CONDUCTIVITY COOKING TOP AND A MAGNET ROTOR ROTATABLY MOUNTED BELOW SAID TOP AND COMPRISING A COMPOSITE DISK OF LOW PERMEABILITY HIGH ELECTRICAL CONDUCTIVITY MATERIAL, A PLURALITY OF MAGNETS EMBEDDED IN SAID MATERIAL AND PRESENTING OUTWARDLY FACING POLES OF LOW PERMEABILITY MATERIAL, SAID OUTWARDLY FACING POLES OF SUCCESSIVE MAGNETS ON THE DISK BEING OF ALTERNATE MAGNETIC POLARITY.
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |