US3012137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic volume control circuits including transistors
Assignee: Raytheon Co
•
Filing: 1959-04-03
•
Granted: 1961-12-05
•
Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Riceman Sumner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:41
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2797258A
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US2761916A
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US2885544A
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US2841702A
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US2864888A
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US2809240A
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US2789164A
Cited
US2866892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |