Patent US3634566A successfully refreshed from Google Patents.
US3634566A
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Method for providing improved lossy dielectric structure for dissipating electrical microwave energy
Assignee: Raytheon Co
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Filing: 1969-04-09
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Granted: 1972-01-11
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Expires: 1989-04-09
Abstract
Abstract A LOSSY DIELECTRIC FOR DISSIPATING HIGH POWER WAVE ENERGY ON THE ORDER OF 100 TO 1800 WATTS COMPRISED OF A MAGNESIA MATRIX HOT PRESS-FORMED OF A DRY BLENDED MIX OF CALCINED MAGNESIUM OXIDE AND SILICON CARBIDE.
Inventors
- 👤 Louis E Gates Jr
- 👤 William E Lent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:16
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; C; C04; C04B; C04B35/00; C04B35/01; C04B35/03; C04B35/10; C04B35/515; C04B35/56; C04B35/565; C04B35/575; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/30; H01P1/22
Claims Analysis
Total Claims: 0
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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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |