US3458753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crossed-field discharge devices and couplers therefor and oscillators and amplifiers incorporating the same
Assignee: General Electric Co
•
Filing: 1965-08-30
•
Granted: 1969-07-29
•
Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 James E Staats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:40
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/04; H01J23/05; H01J23/36; H01J23/40; H01J23/48; H01J25/00; H01J25/34; H01J25/42; H01J25/44; H01J25/50; H01J25/52; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2592206A
Cited
US2782342A
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US2819449A
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US2869012A
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US3027488A
Cited
US3312859A
Cited
US3305751A
Cited
US3273011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |