US3445776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase splitting circuit for a direct coupled push-pull amplifier
Assignee: RCA Corp
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Filing: 1966-12-19
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Granted: 1969-05-20
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Leidich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:32
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45479; H03F3/45484; H03F3/45488; H03F3/45533; H03F3/45542; H03F3/30; H03F3/3083; H03F3/3086; H03F3/3088; H03F3/45076; H03F3/4508; H03F3/45085; H03F3/45493; H03F3/45502; H03F3/45511; H03F3/45547; H03F3/45582; H03F3/45591; H03F2203/00; H03F2203/45; H03F2203/45476; H03F2203/45496; H03F2203/45612; H03F2203/45696; H03F2203/45702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |