US3467909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated amplifier circuit especially suited for high frequency operation
Assignee: RCA Corp
•
Filing: 1967-06-29
•
Granted: 1969-09-16
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jack Avins
- 👤 Jack Craft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:27
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/06; H03F; H03F3/00; H03F3/34; H03F3/343; H03F3/347; H03F3/45; H03F3/45071; H03F3/45479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3366889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |