Patent US5464023A successfully refreshed from Google Patents.
US3392370A
Expired / Lapsed
US
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Gain control circuit using digital control signals
Assignee: Texas Instruments Inc
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Filing: 1965-10-24
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Granted: 1968-07-09
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Edwin B Neitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; H03G3/3026; G; G01; G01V; G01V1/00; G01V1/24; G01V1/245; G06; G06J; G06J1/00; H04; H04B; H04B3/00; H04B3/02; H04B3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3308392A
Cited
US3315223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |