US3671275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lossy dielectric structure for dissipating electrical microwave energy
Assignee: Raytheon Co
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Filing: 1969-12-12
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Granted: 1972-06-20
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Expires: 1989-12-12
Abstract
Abstract A LOSSY DIELECTRIC ATTENUATOR FOR RECEIVING AND DISSIPATING HIGH POWER WAVE ENERGY ON THE ORDER OF 100 WATTS AND MORE COMPRISED OF THE COMBINATION OF SILICON CARBIDE IN AN ALUMINA MATRIX.
Inventors
- 👤 Louis E Gates Jr
- 👤 William E Lent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/56; C04B35/565; C04B35/01; C04B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |