US3516002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gain and drift compensated amplifier
Assignee: Raytheon Co
•
Filing: 1967-05-02
•
Granted: 1970-06-02
•
Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Donuil A Hillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:02
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/40; H03F1/00; H03F1/30; H03F1/303; H03F3/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3237116A
Cited
US3277355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |