Patent US2673306A successfully refreshed from Google Patents.
US2673306A
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US
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Magnetron amplifier
Assignee: Raytheon Co
•
Filing: 1949-03-16
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Granted: 1954-03-23
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Expires: 1969-03-16
Abstract
No abstract record available.
Inventors
- 👤 William C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2122538A
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US2300052A
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US2367295A
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US2424576A
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US2457524A
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US2481171A
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US2528541A
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US2582185A
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US2511407A
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US2516944A
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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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |