US2786940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superheterodyne receiver with common variable saturating means having tracking provision for tuning inductances
Assignee: White Consolidated Industries Inc
•
Filing: 1956-01-13
•
Granted: 1957-03-26
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 George B Crofts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:07
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2026758A
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US2201254A
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CH225079A
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CH244706A
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US2361187A
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US2569309A
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US2462423A
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US2581202A
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US2714187A
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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) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |