US2985183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically variable gain controller
Assignee: Taylor Instrument Co
•
Filing: 1957-11-29
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Granted: 1961-05-23
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Peatross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
G; G05; G05B; G05B6/00; G05B6/05; F; F22; F22B; F22B35/00; F22D; F22D11/00; F22G; F22G5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2774367A
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US2888941A
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US2767725A
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US2834363A
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US2878825A
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US2840096A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |