US2979671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron current control systems
Assignee: Raytheon Co
•
Filing: 1959-02-27
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Granted: 1961-04-11
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Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
- 👤 Louis H Schall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:14
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE895787C
Cited
US2769927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |