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US2863006A
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US
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Equalized line amplification system
Assignee: SMALL BUSINESS ADMINISTRATION
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Filing: 1954-03-17
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Granted: 1958-12-02
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Expires: 1974-03-17
Abstract
No abstract record available.
Inventors
- 👤 Henry M Diambra
- 👤 George G Edlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:12
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H03; H03F; H03F1/00; H03F1/08; H03F1/18; H03F1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2670408A
Cited
US2593948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |