Patent US3479577A successfully refreshed from Google Patents.
US3479577A
Expired / Lapsed
US
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Crossed field microwave rectifier
Assignee: Raytheon Co
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Filing: 1967-05-19
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Granted: 1969-11-18
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Expires: 1987-05-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Ruden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:40
CPC Classifications
H; H03; H03D; H03D1/00; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06
Claims Analysis
Total Claims: 0
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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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |