Patent US3042876A successfully refreshed from Google Patents.
US3042876A
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Differential transistorized amplifier
Assignee: Statham Instruments Inc
•
Filing: 1958-01-30
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Granted: 1962-07-03
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Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 John B Pegram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:32
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45479; H03F3/45484; H03F3/45488; H03F3/45493; H03F3/45502; H03F3/26; H03F3/45076; H03F3/4508; H03F3/45098; H03F2203/00; H03F2203/45; H03F2203/45494; H03F2203/45498; H03F2203/45504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2817718A
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US2831968A
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US2959741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |