US3538449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral pnp-npn composite monolithic differential amplifier
Assignee: Motorola Solutions Inc
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Filing: 1968-11-22
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Granted: 1970-11-03
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Expires: 1988-11-22
Abstract
No abstract record available.
Inventors
- 👤 James E Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:21
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F1/00; H03F1/42; H03F1/48; H03F2203/00; H03F2203/45; H03F2203/45028; H03F2203/45202; H03F2203/45208; H03F2203/45258; H03F2203/45612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3177414A
Cited
US3373369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |