US2928056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for utilizing solid-state materials and devices for the electronic control of guided electromagnetic wave energy
Assignee: RCA Corp
•
Filing: 1954-05-25
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Granted: 1960-03-08
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Expires: 1974-05-25
Abstract
No abstract record available.
Inventors
- 👤 Murray A Lampert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:43
CPC Classifications
H; H03; H03C; H03C7/00; H03C7/02; H03C7/025; H01; H01J; H01J17/00; H01J17/02; H01J17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2777906A
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US2790088A
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US2856589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |