US3451006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable gain amplifiers
Assignee: Honeywell Inc
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Filing: 1967-05-29
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Granted: 1969-06-17
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Orrin H Grangaard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
H; H03; H03G; H03G1/00; H03G1/0005; H03G1/0035; H03G1/007; H03F; H03F3/00; H03F3/34; H03F3/343; H03G3/00; H03G3/02; H03G3/04; H03G3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |