US2492155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning system
Assignee: STC PLC
•
Filing: 1945-08-11
•
Granted: 1949-12-27
•
Expires: 1965-08-11
Abstract
No abstract record available.
Inventors
- 👤 Armig G Kandoian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835; H03F; H03F3/00; H03F3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2153205A
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US2373233A
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US2285662A
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US2406372A
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US2402443A
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US2395441A
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US2405437A
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US2411424A
Cited
US2407147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |