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US3394316A
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Differential amplifier having common base output stage of very high output impedance
Assignee: Tektronix Inc
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Filing: 1965-01-29
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Granted: 1968-07-23
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Lester L Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:20
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45479; H03F3/45484; H03F3/45547; H03F3/45551; H03F3/45565; H03F3/45076; H03F3/4508; H03F3/45085; H03F3/45089; H03F3/45582; H03F3/45587; H03F2203/00; H03F2203/45; H03F2203/45022; H03F2203/45024; H03F2203/45052; H03F2203/45056; H03F2203/45078; H03F2203/45302; H03F2203/45311; H03F2203/45702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |