Patent US5099827A successfully refreshed from Google Patents.
US2412995A
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Amplifier of electromagnetic energy
Assignee: STC PLC
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Filing: 1942-09-11
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Granted: 1946-12-24
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Expires: 1962-09-11
Abstract
No abstract record available.
Inventors
- 👤 Levy Maurice Moise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:20
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2921; G01S7/2922; H; H03; H03F; H03F1/00; H03F1/26; H03F1/28; H03F1/42; H03F1/48; H03F1/50; H03F3/00; H03F3/189; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06; H03K5/065; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H04B3/06; H04B3/08; Y; Y10; Y10S; Y10S84/00; Y10S84/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-23 | 1950-06-24 | 1950-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-23 | 1954-06-24 | 1954-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-23 | 1958-06-24 | 1958-12-24 | $7700.00 | Window Closed / Lapsed |