Patent US2748357A successfully refreshed from Google Patents.
US2748357A
Expired / Lapsed
US
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Tunable inductor
Assignee: Avco Manufacturing Corp
•
Filing: 1953-08-27
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Granted: 1956-05-29
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Expires: 1973-08-27
Abstract
No abstract record available.
Inventors
- 👤 Garcia Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:30
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148306A
Cited
US2158613A
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US2271983A
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US2428234A
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US2435630A
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US2483801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |