Patent US2490622A successfully refreshed from Google Patents.
US2490622A
Expired / Lapsed
US
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High-frequency transmission line or cable and connector therefor
Assignee: EMI Ltd
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Filing: 1943-05-15
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Granted: 1949-12-06
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Expires: 1963-05-15
Abstract
No abstract record available.
Inventors
- 👤 Cork Edward Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:48
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/38; H01R24/40; H01R24/42; H01R24/44; H01R2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2207690A
Cited
GB488254A
Cited
US2267371A
Cited
US2233166A
Cited
US2241582A
Cited
US2332952A
Cited
US2401344A
Cited
US2402540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |