Patent US3246262A successfully refreshed from Google Patents.
US3246262A
Expired / Lapsed
US
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Heat sink for a ferrite material employing metal oxides as the dielectric material
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1963-05-22
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Granted: 1966-04-12
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Wichert Hans Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/24; H01P1/26; H01P1/38; H01P1/383; H01P1/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A BROADBAND ARRANGEMENT FOR REMOVING HEAT IN A PRE-MAGNETIZED MICROWAVE FERRITE IN A HOLLOW CONDUCTOR BUT WHICH IS NOT IN DIRECT AND HEAT EXCHANGE CONTACT WITH THE WALL OF THE CONDUCTOR, THE IMPROVEMENT COMPRISING A DIELECTRIC MATERIAL WHICH IS A GOOD CONDUCTOR OF HEAT INTERPOSED BETWEEN THE FERRITE AND THE HOLLOW CONDUCTOR, THE DIELECTRIC MATERIAL SURROUNDING THE FERRITE ON ALL SIDES, AND THE DIELECTRIC MATERIAL BEING ONE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM OXIDE, ALUMINUM OXIDE, AND MAGNESIUM OXIDE.
Claim 2
Dependent Claim
81 words
IN A BROADBAND ARRANGEMENT FOR REMOVING HEAT IN A PRE-MAGNETIZED MICROWAVE FERRITE IN A HOLLOW CONDUCTOR BUT WHICH IS NOT IN DIRECT AND HEAT EXCHANGE CONTACT WITH THE WALL OF THE CONDUCTOR, THE IMPROVEMENT COMPRISING A DIELECTRIC MATERIAL WHICH IS A GOOD CONDUCTOR OF HEAT INTERPOSED BETWEEN THE FERRITE AND THE HOLLOW CONDUCTOR, THE DIELECTRIC MATERIAL SURROUNDING THE FERRITE ON ALL SIDES, AND THE DIELECTRIC MATERIAL BEING ONE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM OXIDE, ALUMINUM OXIDE, AND MAGNESIUM OXIDE.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |