US2981835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control system
Assignee: Texas Instruments Inc
•
Filing: 1955-10-21
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Granted: 1961-04-25
•
Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Roger R Webster
- 👤 James L Nygaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:40
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3052; H03G3/3057; H02; H02K; H02K2201/00; H02K2201/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012433A
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GB413383A
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GB414187A
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US2159803A
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US2395770A
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US2605399A
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US2570893A
Cited
US2581202A
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US2641704A
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US2858423A
Cited
US2789164A
Cited
US2774866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |