Patent US2850632A successfully refreshed from Google Patents.
US2850632A
Expired / Lapsed
US
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Wide range radio frequency tuner
Assignee: Aladdin Industries LLC
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Filing: 1954-06-21
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Granted: 1958-09-02
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Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Harold T Lyman
- 👤 Mason Francis Gage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:41
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06; H01F21/065; H01P; H01P7/00; H01P7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2247212A
Cited
US2402443A
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US2465102A
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US2414280A
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US2688891A
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US2774044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |