US3381183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power multi-emitter transistor
Assignee: RCA Corp
•
Filing: 1965-06-21
•
Granted: 1968-04-30
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Norman C Turner
- 👤 James H Cavitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:10
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D10/00; H10D10/01; H10D10/051; H10D10/056; H10D10/058; H10D99/00; H10P; H10P95/00; H10W99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2778980A
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US3227896A
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US3299329A
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US3309585A
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US3275912A
Cited
US3287612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |