US2850671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron amplifiers
Assignee: Raytheon Co
•
Filing: 1952-01-24
•
Granted: 1958-09-02
•
Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Edward C Dench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:35
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2367295A
Cited
US2564716A
Cited
US2447537A
Cited
US2414085A
Cited
US2532545A
Cited
US2636948A
Cited
US2582185A
Cited
US2566087A
Cited
US2641731A
Cited
US2654047A
Cited
US2643353A
Cited
US2673306A
Cited
US2683238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |